diff --git a/Rakefile b/Rakefile
index fd34a1f91..b6f6d68a1 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,16 +1,16 @@
-require 'bundler/gem_tasks'
+require "bundler/gem_tasks"
 
-require 'rake/testtask'
+require "rake/testtask"
 Rake::TestTask.new(:unit) do |t|
   t.libs.push "lib"
-  t.test_files = FileList['spec/**/*_spec.rb']
+  t.test_files = FileList["spec/**/*_spec.rb"]
   t.verbose = true
 end
 
-require 'cucumber'
-require 'cucumber/rake/task'
+require "cucumber"
+require "cucumber/rake/task"
 Cucumber::Rake::Task.new(:features) do |t|
-  t.cucumber_opts = ['features', '-x', '--format progress']
+  t.cucumber_opts = ["features", "-x", "--format progress"]
 end
 
 desc "Run all test suites"
@@ -24,11 +24,11 @@ task :stats do
   sh "countloc -r spec features"
 end
 
-if RUBY_ENGINE != 'jruby'
-  require 'cane/rake_task'
+if RUBY_ENGINE != "jruby"
+  require "cane/rake_task"
   desc "Run cane to check quality metrics"
   Cane::RakeTask.new do |cane|
-    cane.canefile = './.cane'
+    cane.canefile = "./.cane"
   end
 
   desc "Run all quality tasks"
@@ -38,7 +38,7 @@ else
   task :quality => [:stats]
 end
 
-require 'yard'
+require "yard"
 YARD::Rake::YardocTask.new
 
 task :default => [:test, :quality]
diff --git a/bin/kitchen b/bin/kitchen
index eff46b795..374fad31b 100755
--- a/bin/kitchen
+++ b/bin/kitchen
@@ -6,8 +6,8 @@
 Signal.trap("INT") { exit 1 }
 
 $LOAD_PATH.unshift File.join(File.dirname(__FILE__), %w[.. lib])
-require 'rubygems'
-require 'kitchen/cli'
-require 'kitchen/errors'
+require "rubygems"
+require "kitchen/cli"
+require "kitchen/errors"
 
 Kitchen.with_friendly_errors { Kitchen::CLI.start }
diff --git a/features/kitchen_init_command.feature b/features/kitchen_init_command.feature
index 748aa9bdd..5d916fa6d 100644
--- a/features/kitchen_init_command.feature
+++ b/features/kitchen_init_command.feature
@@ -36,8 +36,14 @@ Feature: Add Test Kitchen support to an existing project
   Scenario: Running init that creates a Gemfile
     When I successfully run `kitchen init --create-gemfile`
     Then the file "Gemfile" should contain "https://rubygems.org"
-    And the file "Gemfile" should contain "gem 'test-kitchen'"
-    And the file "Gemfile" should contain "gem 'kitchen-vagrant'"
+    And the file "Gemfile" should contain:
+    """
+    gem "test-kitchen"
+    """
+    And the file "Gemfile" should contain:
+    """
+    gem "kitchen-vagrant"
+    """
     And the output should contain "You must run `bundle install'"
 
   Scenario: Running init with an existing Gemfile appends to the Gemfile
@@ -52,8 +58,8 @@ Feature: Add Test Kitchen support to an existing project
     """
     source "https://rubygems.org"
 
-    gem 'test-kitchen'
-    gem 'kitchen-vagrant'
+    gem "test-kitchen"
+    gem "kitchen-vagrant"
 
     """
     And the output should contain "You must run `bundle install'"
@@ -64,7 +70,7 @@ Feature: Add Test Kitchen support to an existing project
     """
     source "https://rubygems.org"
 
-    gem "test-kitchen"
+    gem 'test-kitchen'
 
     """
     When I successfully run `kitchen init`
@@ -72,8 +78,8 @@ Feature: Add Test Kitchen support to an existing project
     """
     source "https://rubygems.org"
 
-    gem "test-kitchen"
-    gem 'kitchen-vagrant'
+    gem 'test-kitchen'
+    gem "kitchen-vagrant"
 
     """
     And the output should contain "You must run `bundle install'"
@@ -84,8 +90,8 @@ Feature: Add Test Kitchen support to an existing project
     """
     source "https://rubygems.org"
 
-    gem "test-kitchen"
-    gem "kitchen-ec2"
+    gem 'test-kitchen'
+    gem 'kitchen-ec2'
 
     """
     When I successfully run `kitchen init --driver=kitchen-ec2`
@@ -93,8 +99,8 @@ Feature: Add Test Kitchen support to an existing project
     """
     source "https://rubygems.org"
 
-    gem "test-kitchen"
-    gem "kitchen-ec2"
+    gem 'test-kitchen'
+    gem 'kitchen-ec2'
 
     """
     And the output should not contain "You must run `bundle install'"
@@ -102,8 +108,14 @@ Feature: Add Test Kitchen support to an existing project
   Scenario: Running init with multiple drivers appends to the Gemfile
     Given an empty file named "Gemfile"
     When I successfully run `kitchen init --driver=kitchen-bluebox kitchen-wakka`
-    Then the file "Gemfile" should contain "gem 'kitchen-bluebox'"
-    And the file "Gemfile" should contain "gem 'kitchen-wakka'"
+    Then the file "Gemfile" should contain:
+    """
+    gem "kitchen-bluebox"
+    """
+    And the file "Gemfile" should contain:
+    """
+    gem "kitchen-wakka"
+    """
     And the output should contain "You must run `bundle install'"
 
   Scenario: Running init with multiple driver sets the plugin_driver to the
@@ -152,10 +164,10 @@ Feature: Add Test Kitchen support to an existing project
     Then the file "Rakefile" should contain:
     """
     begin
-      require 'kitchen/rake_tasks'
+      require "kitchen/rake_tasks"
       Kitchen::RakeTasks.new
     rescue LoadError
-      puts ">>>>> Kitchen gem not loaded, omitting tasks" unless ENV['CI']
+      puts ">>>>> Kitchen gem not loaded, omitting tasks" unless ENV["CI"]
     end
     """
 
@@ -171,10 +183,10 @@ Feature: Add Test Kitchen support to an existing project
     Then the file "Thorfile" should contain:
     """
     begin
-      require 'kitchen/thor_tasks'
+      require "kitchen/thor_tasks"
       Kitchen::ThorTasks.new
     rescue LoadError
-      puts ">>>>> Kitchen gem not loaded, omitting tasks" unless ENV['CI']
+      puts ">>>>> Kitchen gem not loaded, omitting tasks" unless ENV["CI"]
     end
     """
 
diff --git a/features/step_definitions/gem_steps.rb b/features/step_definitions/gem_steps.rb
index 287e34848..6852b41d9 100644
--- a/features/step_definitions/gem_steps.rb
+++ b/features/step_definitions/gem_steps.rb
@@ -1,15 +1,15 @@
-require 'tmpdir'
-require 'pathname'
+require "tmpdir"
+require "pathname"
 
 Given(/^a sandboxed GEM_HOME directory named "(.*?)"$/) do |name|
-  backup_envvar('GEM_HOME')
-  backup_envvar('GEM_PATH')
+  backup_envvar("GEM_HOME")
+  backup_envvar("GEM_PATH")
 
   @aruba_timeout_seconds = 30
 
   gem_home = Pathname.new(Dir.mktmpdir(name))
-  ENV['GEM_HOME'] = gem_home.to_s
-  ENV['GEM_PATH'] = [gem_home.to_s, ENV['GEM_PATH']].join(':')
+  ENV["GEM_HOME"] = gem_home.to_s
+  ENV["GEM_PATH"] = [gem_home.to_s, ENV["GEM_PATH"]].join(":")
   @cleanup_dirs << gem_home
 end
 
diff --git a/features/step_definitions/git_steps.rb b/features/step_definitions/git_steps.rb
index 65194a571..2089ce4b4 100644
--- a/features/step_definitions/git_steps.rb
+++ b/features/step_definitions/git_steps.rb
@@ -1,3 +1,3 @@
 Given(/I have a git repository/) do
-  create_dir('.git')
+  create_dir(".git")
 end
diff --git a/features/support/env.rb b/features/support/env.rb
index 8d5eee527..0f2860018 100644
--- a/features/support/env.rb
+++ b/features/support/env.rb
@@ -1,9 +1,9 @@
 # Set up the environment for testing
-require 'aruba/cucumber'
-require 'aruba/in_process'
-require 'aruba/spawn_process'
-require 'kitchen'
-require 'kitchen/cli'
+require "aruba/cucumber"
+require "aruba/in_process"
+require "aruba/spawn_process"
+require "kitchen"
+require "kitchen/cli"
 
 class ArubaHelper
   def initialize(argv, stdin = STDIN, stdout = STDOUT, stderr = STDERR, kernel = Kernel)
@@ -28,7 +28,7 @@ def execute!
   Aruba.process = Aruba::InProcess
 end
 
-Before('@spawn') do
+Before("@spawn") do
   Aruba.process = Aruba::SpawnProcess
 end
 
@@ -41,7 +41,7 @@ def execute!
   # Restore environment variables to their original settings, if they have
   # been saved off
   ENV.keys.select { |key| key =~ /^_CUKE_/ }.each do |backup_key|
-    ENV[backup_key.sub(/^_CUKE_/, '')] = ENV.delete(backup_key)
+    ENV[backup_key.sub(/^_CUKE_/, "")] = ENV.delete(backup_key)
   end
 
   @cleanup_dirs.each { |dir| FileUtils.rm_rf(dir) }
diff --git a/lib/kitchen.rb b/lib/kitchen.rb
index c4b4d0049..fb1928f4c 100644
--- a/lib/kitchen.rb
+++ b/lib/kitchen.rb
@@ -16,35 +16,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'pathname'
-require 'thread'
-
-require 'kitchen/errors'
-require 'kitchen/logger'
-require 'kitchen/logging'
-require 'kitchen/shell_out'
-require 'kitchen/configurable'
-require 'kitchen/util'
-
-require 'kitchen/provisioner'
-require 'kitchen/provisioner/base'
-require 'kitchen/busser'
-require 'kitchen/color'
-require 'kitchen/collection'
-require 'kitchen/config'
-require 'kitchen/data_munger'
-require 'kitchen/driver'
-require 'kitchen/driver/base'
-require 'kitchen/driver/ssh_base'
-require 'kitchen/driver/proxy'
-require 'kitchen/instance'
-require 'kitchen/loader/yaml'
-require 'kitchen/metadata_chopper'
-require 'kitchen/platform'
-require 'kitchen/state_file'
-require 'kitchen/ssh'
-require 'kitchen/suite'
-require 'kitchen/version'
+require "pathname"
+require "thread"
+
+require "kitchen/errors"
+require "kitchen/logger"
+require "kitchen/logging"
+require "kitchen/shell_out"
+require "kitchen/configurable"
+require "kitchen/util"
+
+require "kitchen/provisioner"
+require "kitchen/provisioner/base"
+require "kitchen/busser"
+require "kitchen/color"
+require "kitchen/collection"
+require "kitchen/config"
+require "kitchen/data_munger"
+require "kitchen/driver"
+require "kitchen/driver/base"
+require "kitchen/driver/ssh_base"
+require "kitchen/driver/proxy"
+require "kitchen/instance"
+require "kitchen/loader/yaml"
+require "kitchen/metadata_chopper"
+require "kitchen/platform"
+require "kitchen/state_file"
+require "kitchen/ssh"
+require "kitchen/suite"
+require "kitchen/version"
 
 # Test Kitchen base module.
 #
@@ -63,7 +63,7 @@ class << self
     #
     # @return [Pathname] root path of gem
     def source_root
-      @source_root ||= Pathname.new(File.expand_path('../../', __FILE__))
+      @source_root ||= Pathname.new(File.expand_path("../../", __FILE__))
     end
 
     # Returns a default logger which emits on standard output.
@@ -90,7 +90,7 @@ def default_file_logger
     # @return [Integer,nil] a log level or nil if not set
     # @api private
     def env_log
-      level = ENV['KITCHEN_LOG'] && ENV['KITCHEN_LOG'].downcase.to_sym
+      level = ENV["KITCHEN_LOG"] && ENV["KITCHEN_LOG"].downcase.to_sym
       level = Util.to_logger_level(level) unless level.nil?
       level
     end
diff --git a/lib/kitchen/busser.rb b/lib/kitchen/busser.rb
index e6ece1768..d9482549d 100644
--- a/lib/kitchen/busser.rb
+++ b/lib/kitchen/busser.rb
@@ -16,8 +16,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'base64'
-require 'digest'
+require "base64"
+require "digest"
 
 module Kitchen
 
@@ -101,7 +101,7 @@ def setup_cmd
       gem     = sudo("#{config[:ruby_bindir]}/gem")
       busser  = sudo(config[:busser_bin])
 
-      cmd = <<-CMD.gsub(/^ {8}/, '')
+      cmd = <<-CMD.gsub(/^ {8}/, "")
         #{busser_setup_env}
         gem_bindir=`#{ruby} -rrubygems -e "puts Gem.bindir"`
 
@@ -109,7 +109,7 @@ def setup_cmd
           #{gem} install #{gem_install_args}
         fi
         #{sudo("${gem_bindir}")}/busser setup
-        #{busser} plugin install #{plugins.join(' ')}
+        #{busser} plugin install #{plugins.join(" ")}
       CMD
       Util.wrap_command(cmd)
     end
@@ -125,7 +125,7 @@ def setup_cmd
     def sync_cmd
       return if local_suite_files.empty?
 
-      cmd = <<-CMD.gsub(/^ {8}/, '')
+      cmd = <<-CMD.gsub(/^ {8}/, "")
         #{busser_setup_env}
 
         #{sudo(config[:busser_bin])} suite cleanup
@@ -151,7 +151,7 @@ def sync_cmd
     def run_cmd
       return if local_suite_files.empty?
 
-      cmd = <<-CMD.gsub(/^ {8}/, '')
+      cmd = <<-CMD.gsub(/^ {8}/, "")
         #{busser_setup_env}
 
         #{sudo(config[:busser_bin])} test
@@ -181,7 +181,7 @@ def validate_options(suite_name)
         raise ClientError, "Busser#new requires a suite_name"
       end
 
-      if suite_name == 'helper'
+      if suite_name == "helper"
         raise UserError,
           "Suite name invalid: 'helper' is a reserved directory name."
       end
@@ -245,7 +245,7 @@ def helper_files
     def remote_file(file, dir)
       local_prefix = File.join(config[:test_base_path], dir)
       "`#{sudo(config[:busser_bin])} suite path`/".
-        concat(file.sub(%r{^#{local_prefix}/}, ''))
+        concat(file.sub(%r{^#{local_prefix}/}, ""))
     end
 
     # Returns a command string that will, once evaluated, result in the copying
@@ -257,7 +257,7 @@ def remote_file(file, dir)
     # @api private
     def stream_file(local_path, remote_path)
       local_file = IO.read(local_path)
-      encoded_file = Base64.encode64(local_file).gsub("\n", '')
+      encoded_file = Base64.encode64(local_file).gsub("\n", "")
       md5 = Digest::MD5.hexdigest(local_file)
       perms = format("%o", File.stat(local_path).mode)[2, 4]
       stream_cmd = [
diff --git a/lib/kitchen/cli.rb b/lib/kitchen/cli.rb
index 9ced1b960..485019e2e 100644
--- a/lib/kitchen/cli.rb
+++ b/lib/kitchen/cli.rb
@@ -16,11 +16,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'thor'
+require "thor"
 
-require 'kitchen'
-require 'kitchen/generator/driver_create'
-require 'kitchen/generator/init'
+require "kitchen"
+require "kitchen/generator/driver_create"
+require "kitchen/generator/init"
 
 module Kitchen
 
@@ -70,13 +70,13 @@ def initialize(*args)
       $stdout.sync = true
       Kitchen.logger = Kitchen.default_file_logger
       @loader = Kitchen::Loader::YAML.new(
-        :project_config => ENV['KITCHEN_YAML'],
-        :local_config => ENV['KITCHEN_LOCAL_YAML'],
-        :global_config => ENV['KITCHEN_GLOBAL_YAML']
+        :project_config => ENV["KITCHEN_YAML"],
+        :local_config => ENV["KITCHEN_LOCAL_YAML"],
+        :global_config => ENV["KITCHEN_GLOBAL_YAML"]
       )
       @config = Kitchen::Config.new(
         :loader     => @loader,
-        :log_level  => ENV.fetch('KITCHEN_LOG', "info").downcase.to_sym
+        :log_level  => ENV.fetch("KITCHEN_LOG", "info").downcase.to_sym
       )
     end
 
@@ -125,14 +125,14 @@ def diagnose(*args)
         :aliases => "-c",
         :type => :numeric,
         :lazy_default => MAX_CONCURRENCY,
-        :desc => <<-DESC.gsub(/^\s+/, '').gsub(/\n/, ' ')
+        :desc => <<-DESC.gsub(/^\s+/, "").gsub(/\n/, " ")
           Run a #{action} against all matching instances concurrently. Only N
           instances will run at the same time if a number is given.
         DESC
       method_option :parallel,
         :aliases => "-p",
         :type => :boolean,
-        :desc => <<-DESC.gsub(/^\s+/, '').gsub(/\n/, ' ')
+        :desc => <<-DESC.gsub(/^\s+/, "").gsub(/\n/, " ")
           [Future DEPRECATION, use --concurrency]
           Run a #{action} against all matching instances concurrently.
         DESC
@@ -160,14 +160,14 @@ def diagnose(*args)
       :aliases => "-c",
       :type => :numeric,
       :lazy_default => MAX_CONCURRENCY,
-      :desc => <<-DESC.gsub(/^\s+/, '').gsub(/\n/, ' ')
+      :desc => <<-DESC.gsub(/^\s+/, "").gsub(/\n/, " ")
         Run a test against all matching instances concurrently. Only N
         instances will run at the same time if a number is given.
       DESC
     method_option :parallel,
       :aliases => "-p",
       :type => :boolean,
-      :desc => <<-DESC.gsub(/^\s+/, '').gsub(/\n/, ' ')
+      :desc => <<-DESC.gsub(/^\s+/, "").gsub(/\n/, " ")
         [Future DEPRECATION, use --concurrency]
         Run a test against all matching instances concurrently.
       DESC
@@ -314,7 +314,7 @@ def update_config!
     #
     # @api private
     def ensure_initialized
-      yaml = ENV['KITCHEN_YAML'] || '.kitchen.yml'
+      yaml = ENV["KITCHEN_YAML"] || ".kitchen.yml"
 
       if options[:auto_init] && !File.exist?(yaml)
         banner "Invoking init as '#{yaml}' file is missing"
diff --git a/lib/kitchen/collection.rb b/lib/kitchen/collection.rb
index 5d78ca667..3b1d88a79 100644
--- a/lib/kitchen/collection.rb
+++ b/lib/kitchen/collection.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'delegate'
+require "delegate"
 
 module Kitchen
 
diff --git a/lib/kitchen/command.rb b/lib/kitchen/command.rb
index 4d588ccc7..bebe74d11 100644
--- a/lib/kitchen/command.rb
+++ b/lib/kitchen/command.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'thread'
+require "thread"
 
 module Kitchen
 
diff --git a/lib/kitchen/command/action.rb b/lib/kitchen/command/action.rb
index 6ab9dee77..296c796c0 100644
--- a/lib/kitchen/command/action.rb
+++ b/lib/kitchen/command/action.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/command'
+require "kitchen/command"
 
-require 'benchmark'
+require "benchmark"
 
 module Kitchen
 
diff --git a/lib/kitchen/command/console.rb b/lib/kitchen/command/console.rb
index 968d765be..328aee82d 100644
--- a/lib/kitchen/command/console.rb
+++ b/lib/kitchen/command/console.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/command'
+require "kitchen/command"
 
 module Kitchen
 
@@ -29,7 +29,7 @@ class Console < Kitchen::Command::Base
 
       # Invoke the command.
       def call
-        require 'pry'
+        require "pry"
         Pry.start(@config, :prompt => [prompt(">"), prompt("*")])
       rescue LoadError
         warn %{Make sure you have the pry gem installed. You can install it with:}
diff --git a/lib/kitchen/command/diagnose.rb b/lib/kitchen/command/diagnose.rb
index ef6091663..6536dd11a 100644
--- a/lib/kitchen/command/diagnose.rb
+++ b/lib/kitchen/command/diagnose.rb
@@ -16,10 +16,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/command'
-require 'kitchen/diagnostic'
+require "kitchen/command"
+require "kitchen/diagnostic"
 
-require 'yaml'
+require "yaml"
 
 module Kitchen
 
diff --git a/lib/kitchen/command/driver_discover.rb b/lib/kitchen/command/driver_discover.rb
index bef9668b3..a69355b07 100644
--- a/lib/kitchen/command/driver_discover.rb
+++ b/lib/kitchen/command/driver_discover.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/command'
+require "kitchen/command"
 
-require 'rubygems/spec_fetcher'
+require "rubygems/spec_fetcher"
 
 module Kitchen
 
diff --git a/lib/kitchen/command/list.rb b/lib/kitchen/command/list.rb
index bbef695bc..6fa059732 100644
--- a/lib/kitchen/command/list.rb
+++ b/lib/kitchen/command/list.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/command'
+require "kitchen/command"
 
 module Kitchen
 
@@ -73,10 +73,10 @@ def display_instance(instance)
       # @api private
       def format_last_action(last_action)
         case last_action
-        when 'create' then colorize("Created", :cyan)
-        when 'converge' then colorize("Converged", :magenta)
-        when 'setup' then colorize("Set Up", :blue)
-        when 'verify' then colorize("Verified", :yellow)
+        when "create" then colorize("Created", :cyan)
+        when "converge" then colorize("Converged", :magenta)
+        when "setup" then colorize("Set Up", :blue)
+        when "verify" then colorize("Verified", :yellow)
         when nil then colorize("<Not Created>", :red)
         else colorize("<Unknown>", :white)
         end
diff --git a/lib/kitchen/command/login.rb b/lib/kitchen/command/login.rb
index b66592915..858291aba 100644
--- a/lib/kitchen/command/login.rb
+++ b/lib/kitchen/command/login.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/command'
+require "kitchen/command"
 
 module Kitchen
 
diff --git a/lib/kitchen/command/sink.rb b/lib/kitchen/command/sink.rb
index 6cabce547..237b37bde 100644
--- a/lib/kitchen/command/sink.rb
+++ b/lib/kitchen/command/sink.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/command'
+require "kitchen/command"
 
 module Kitchen
 
diff --git a/lib/kitchen/command/test.rb b/lib/kitchen/command/test.rb
index a44670dc8..316f9949f 100644
--- a/lib/kitchen/command/test.rb
+++ b/lib/kitchen/command/test.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/command'
+require "kitchen/command"
 
-require 'benchmark'
+require "benchmark"
 
 module Kitchen
 
@@ -40,7 +40,7 @@ def call
         banner "Starting Kitchen (v#{Kitchen::VERSION})"
         elapsed = Benchmark.measure do
           destroy_mode = options[:destroy].to_sym
-          results = parse_subcommand(args.join('|'))
+          results = parse_subcommand(args.join("|"))
 
           run_action(:test, results, destroy_mode)
         end
diff --git a/lib/kitchen/configurable.rb b/lib/kitchen/configurable.rb
index c5f19afc9..2ff8105df 100644
--- a/lib/kitchen/configurable.rb
+++ b/lib/kitchen/configurable.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'thor/util'
+require "thor/util"
 
-require 'kitchen/lazy_hash'
+require "kitchen/lazy_hash"
 
 module Kitchen
 
diff --git a/lib/kitchen/data_munger.rb b/lib/kitchen/data_munger.rb
index dd6c2f95c..392a464d3 100644
--- a/lib/kitchen/data_munger.rb
+++ b/lib/kitchen/data_munger.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'vendor/hash_recursive_merge'
+require "vendor/hash_recursive_merge"
 
 module Kitchen
 
diff --git a/lib/kitchen/diagnostic.rb b/lib/kitchen/diagnostic.rb
index 9e6872e87..1fa241e18 100644
--- a/lib/kitchen/diagnostic.rb
+++ b/lib/kitchen/diagnostic.rb
@@ -16,8 +16,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/util'
-require 'kitchen/version'
+require "kitchen/util"
+require "kitchen/version"
 
 module Kitchen
 
diff --git a/lib/kitchen/driver.rb b/lib/kitchen/driver.rb
index e1a98600e..0719ac7cb 100644
--- a/lib/kitchen/driver.rb
+++ b/lib/kitchen/driver.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'thor/util'
+require "thor/util"
 
 module Kitchen
 
diff --git a/lib/kitchen/driver/base.rb b/lib/kitchen/driver/base.rb
index eabcf89c7..04cfe9c61 100644
--- a/lib/kitchen/driver/base.rb
+++ b/lib/kitchen/driver/base.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'thor/util'
+require "thor/util"
 
-require 'kitchen/lazy_hash'
+require "kitchen/lazy_hash"
 
 module Kitchen
 
@@ -45,7 +45,7 @@ def initialize(config = {})
       #
       # @return [String] name of this driver
       def name
-        self.class.name.split('::').last
+        self.class.name.split("::").last
       end
 
       # Creates an instance.
diff --git a/lib/kitchen/driver/dummy.rb b/lib/kitchen/driver/dummy.rb
index 7ec7c005c..addaad98f 100644
--- a/lib/kitchen/driver/dummy.rb
+++ b/lib/kitchen/driver/dummy.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen'
+require "kitchen"
 
 module Kitchen
 
diff --git a/lib/kitchen/driver/proxy.rb b/lib/kitchen/driver/proxy.rb
index d7683cbf2..7414ddfab 100644
--- a/lib/kitchen/driver/proxy.rb
+++ b/lib/kitchen/driver/proxy.rb
@@ -18,7 +18,7 @@
 # limitations under the License.
 #
 
-require 'kitchen'
+require "kitchen"
 
 module Kitchen
 
diff --git a/lib/kitchen/generator/driver_create.rb b/lib/kitchen/generator/driver_create.rb
index d239b97bc..6e2a3f810 100644
--- a/lib/kitchen/generator/driver_create.rb
+++ b/lib/kitchen/generator/driver_create.rb
@@ -16,8 +16,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'thor/group'
-require 'thor/util'
+require "thor/group"
+require "thor/util"
 
 module Kitchen
 
@@ -170,7 +170,7 @@ def license_filename
       # @api private
       def license_comment
         @license_comment ||= IO.read(File.join(target_dir, license_filename)).
-          gsub(/^/, '# ').gsub(/\s+$/, '')
+          gsub(/^/, "# ").gsub(/\s+$/, "")
       end
     end
   end
diff --git a/lib/kitchen/generator/init.rb b/lib/kitchen/generator/init.rb
index 77680b5d4..8562134ac 100644
--- a/lib/kitchen/generator/init.rb
+++ b/lib/kitchen/generator/init.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'thor/group'
+require "thor/group"
 
 module Kitchen
 
@@ -34,7 +34,7 @@ class Init < Thor::Group
         :type => :array,
         :aliases => "-D",
         :default => "kitchen-vagrant",
-        :desc => <<-D.gsub(/^\s+/, '').gsub(/\n/, ' ')
+        :desc => <<-D.gsub(/^\s+/, "").gsub(/\n/, " ")
           One or more Kitchen Driver gems to be installed or added to a
           Gemfile
         D
@@ -43,14 +43,14 @@ class Init < Thor::Group
         :type => :string,
         :aliases => "-P",
         :default => "chef_solo",
-        :desc => <<-D.gsub(/^\s+/, '').gsub(/\n/, ' ')
+        :desc => <<-D.gsub(/^\s+/, "").gsub(/\n/, " ")
           The default Kitchen Provisioner to use
         D
 
       class_option :create_gemfile,
         :type => :boolean,
         :default => false,
-        :desc => <<-D.gsub(/^\s+/, '').gsub(/\n/, ' ')
+        :desc => <<-D.gsub(/^\s+/, "").gsub(/\n/, " ")
           Whether or not to create a Gemfile if one does not exist.
           Default: false
         D
@@ -75,16 +75,16 @@ def init
       #
       # @api private
       def create_kitchen_yaml
-        cookbook_name = if File.exist?(File.expand_path('metadata.rb'))
-          MetadataChopper.extract('metadata.rb').first
+        cookbook_name = if File.exist?(File.expand_path("metadata.rb"))
+          MetadataChopper.extract("metadata.rb").first
         else
           nil
         end
         run_list = cookbook_name ? "recipe[#{cookbook_name}::default]" : nil
-        driver_plugin = Array(options[:driver]).first || 'dummy'
+        driver_plugin = Array(options[:driver]).first || "dummy"
 
         template("kitchen.yml.erb", ".kitchen.yml",
-          :driver_plugin => driver_plugin.sub(/^kitchen-/, ''),
+          :driver_plugin => driver_plugin.sub(/^kitchen-/, ""),
           :provisioner => options[:provisioner],
           :run_list => Array(run_list)
         )
@@ -122,7 +122,7 @@ def init_test_dir?
       #   initialized
       # @api private
       def init_git?
-        File.directory?(File.join(destination_root, '.git'))
+        File.directory?(File.join(destination_root, ".git"))
       end
 
       # Prepares a Rakefile.
@@ -131,13 +131,13 @@ def init_git?
       def prepare_rakefile
         return unless init_rakefile?
 
-        rakedoc = <<-RAKE.gsub(/^ {10}/, '')
+        rakedoc = <<-RAKE.gsub(/^ {10}/, "")
 
           begin
-            require 'kitchen/rake_tasks'
+            require "kitchen/rake_tasks"
             Kitchen::RakeTasks.new
           rescue LoadError
-            puts ">>>>> Kitchen gem not loaded, omitting tasks" unless ENV['CI']
+            puts ">>>>> Kitchen gem not loaded, omitting tasks" unless ENV["CI"]
           end
         RAKE
         append_to_file(File.join(destination_root, "Rakefile"), rakedoc)
@@ -149,13 +149,13 @@ def prepare_rakefile
       def prepare_thorfile
         return unless init_thorfile?
 
-        thordoc = <<-THOR.gsub(/^ {10}/, '')
+        thordoc = <<-THOR.gsub(/^ {10}/, "")
 
           begin
-            require 'kitchen/thor_tasks'
+            require "kitchen/thor_tasks"
             Kitchen::ThorTasks.new
           rescue LoadError
-            puts ">>>>> Kitchen gem not loaded, omitting tasks" unless ENV['CI']
+            puts ">>>>> Kitchen gem not loaded, omitting tasks" unless ENV["CI"]
           end
         THOR
         append_to_file(File.join(destination_root, "Thorfile"), thordoc)
@@ -204,7 +204,7 @@ def prepare_gemfile
       # @api private
       def create_gemfile_if_missing
         unless File.exist?(File.join(destination_root, "Gemfile"))
-          create_file("Gemfile", %{source 'https://rubygems.org'\n\n})
+          create_file("Gemfile", %{source "https://rubygems.org"\n\n})
         end
       end
 
@@ -213,7 +213,7 @@ def create_gemfile_if_missing
       # @api private
       def add_gem_to_gemfile
         if not_in_file?("Gemfile", %r{gem ('|")test-kitchen('|")})
-          append_to_file("Gemfile", %{gem 'test-kitchen'\n})
+          append_to_file("Gemfile", %{gem "test-kitchen"\n})
           @display_bundle_msg = true
         end
       end
@@ -238,7 +238,7 @@ def add_drivers
       # @api private
       def add_driver_to_gemfile(driver_gem)
         if not_in_file?("Gemfile", %r{gem ('|")#{driver_gem}('|")})
-          append_to_file("Gemfile", %{gem '#{driver_gem}'\n})
+          append_to_file("Gemfile", %{gem "#{driver_gem}"\n})
           @display_bundle_msg = true
         end
       end
diff --git a/lib/kitchen/instance.rb b/lib/kitchen/instance.rb
index 10e47a50f..dbdbe0f87 100644
--- a/lib/kitchen/instance.rb
+++ b/lib/kitchen/instance.rb
@@ -16,8 +16,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'benchmark'
-require 'fileutils'
+require "benchmark"
+require "fileutils"
 
 module Kitchen
 
@@ -42,7 +42,7 @@ class << self
       # @param platform [Platform,#name] a Platform
       # @return [String] a normalized, consistent name for an instance
       def name_for(suite, platform)
-        "#{suite.name}-#{platform.name}".gsub(/_/, '-').gsub(/\./, '')
+        "#{suite.name}-#{platform.name}".gsub(/_/, "-").gsub(/\./, "")
       end
     end
 
@@ -197,11 +197,11 @@ def test(destroy_mode = :passing)
     # @see Driver::Base#login_command
     def login
       login_command = driver.login_command(state_file.read)
-      command, *args = login_command.cmd_array
+      cmd, *args = login_command.cmd_array
       options = login_command.options
 
-      debug("Login command: #{command} #{args.join(' ')} (Options: #{options})")
-      Kernel.exec(command, *args, options)
+      debug(%{Login command: #{cmd} #{args.join(" ")} (Options: #{options})})
+      Kernel.exec(cmd, *args, options)
     end
 
     # Returns a Hash of configuration and other useful diagnostic information.
diff --git a/lib/kitchen/lazy_hash.rb b/lib/kitchen/lazy_hash.rb
index 7059779c2..d4b5a2270 100644
--- a/lib/kitchen/lazy_hash.rb
+++ b/lib/kitchen/lazy_hash.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'delegate'
+require "delegate"
 
 module Kitchen
 
diff --git a/lib/kitchen/loader/yaml.rb b/lib/kitchen/loader/yaml.rb
index 52b9eeb05..e58726c62 100644
--- a/lib/kitchen/loader/yaml.rb
+++ b/lib/kitchen/loader/yaml.rb
@@ -16,15 +16,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'erb'
-require 'vendor/hash_recursive_merge'
+require "erb"
+require "vendor/hash_recursive_merge"
 
 if RUBY_VERSION <= "1.9.3"
   # ensure that Psych and not Syck is used for Ruby 1.9.2
-  require 'yaml'
-  YAML::ENGINE.yamler = 'psych'
+  require "yaml"
+  YAML::ENGINE.yamler = "psych"
 end
-require 'safe_yaml/load'
+require "safe_yaml/load"
 
 module Kitchen
 
@@ -197,7 +197,7 @@ def read_file(file)
       # @return [String] an absolute path to a Kitchen config YAML file
       # @api private
       def default_config_file
-        File.join(Dir.pwd, '.kitchen.yml')
+        File.join(Dir.pwd, ".kitchen.yml")
       end
 
       # Determines the default absolute path to the Kitchen local YAML file,
diff --git a/lib/kitchen/logger.rb b/lib/kitchen/logger.rb
index 8958e8cdd..cbe977e77 100644
--- a/lib/kitchen/logger.rb
+++ b/lib/kitchen/logger.rb
@@ -16,8 +16,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'fileutils'
-require 'logger'
+require "fileutils"
+require "logger"
 
 module Kitchen
 
@@ -319,9 +319,9 @@ def banner(msg = nil, &block)
       # @api private
       def format_line(line)
         case line
-        when %r{^-----> } then banner(line.gsub(%r{^[ >-]{6} }, ''))
-        when %r{^>>>>>> } then error(line.gsub(%r{^[ >-]{6} }, ''))
-        when %r{^       } then info(line.gsub(%r{^[ >-]{6} }, ''))
+        when %r{^-----> } then banner(line.gsub(%r{^[ >-]{6} }, ""))
+        when %r{^>>>>>> } then error(line.gsub(%r{^[ >-]{6} }, ""))
+        when %r{^       } then info(line.gsub(%r{^[ >-]{6} }, ""))
         else info(line)
         end
       end
diff --git a/lib/kitchen/provisioner.rb b/lib/kitchen/provisioner.rb
index 13cc96c14..236b5b344 100644
--- a/lib/kitchen/provisioner.rb
+++ b/lib/kitchen/provisioner.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'thor/util'
+require "thor/util"
 
 module Kitchen
 
diff --git a/lib/kitchen/provisioner/base.rb b/lib/kitchen/provisioner/base.rb
index d7efe3715..db4ff53b9 100644
--- a/lib/kitchen/provisioner/base.rb
+++ b/lib/kitchen/provisioner/base.rb
@@ -59,7 +59,7 @@ def finalize_config!(instance)
       #
       # @return [String] name of this driver
       def name
-        self.class.name.split('::').last
+        self.class.name.split("::").last
       end
 
       # Generates a command string which will install and configure the
diff --git a/lib/kitchen/provisioner/chef/berkshelf.rb b/lib/kitchen/provisioner/chef/berkshelf.rb
index fb5d0f016..dbc2b4e00 100644
--- a/lib/kitchen/provisioner/chef/berkshelf.rb
+++ b/lib/kitchen/provisioner/chef/berkshelf.rb
@@ -16,8 +16,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/errors'
-require 'kitchen/logging'
+require "kitchen/errors"
+require "kitchen/logging"
 
 module Kitchen
 
@@ -92,7 +92,7 @@ def resolve
         # @raise [UserError] if the library couldn't be loaded
         # @api private
         def self.load_berkshelf!(logger)
-          first_load = require 'berkshelf'
+          first_load = require "berkshelf"
 
           version = ::Berkshelf::VERSION
           if first_load
diff --git a/lib/kitchen/provisioner/chef/librarian.rb b/lib/kitchen/provisioner/chef/librarian.rb
index cef9c1d7b..ae2b3a45d 100644
--- a/lib/kitchen/provisioner/chef/librarian.rb
+++ b/lib/kitchen/provisioner/chef/librarian.rb
@@ -16,8 +16,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/errors'
-require 'kitchen/logging'
+require "kitchen/errors"
+require "kitchen/logging"
 
 module Kitchen
 
@@ -88,9 +88,9 @@ def resolve
         # @raise [UserError] if the library couldn't be loaded
         # @api private
         def self.load_librarian!(logger)
-          first_load = require 'librarian/chef/environment'
-          require 'librarian/action/resolve'
-          require 'librarian/action/install'
+          first_load = require "librarian/chef/environment"
+          require "librarian/action/resolve"
+          require "librarian/action/install"
 
           version = ::Librarian::Chef::VERSION
           if first_load
diff --git a/lib/kitchen/provisioner/chef_base.rb b/lib/kitchen/provisioner/chef_base.rb
index 3ce3739bb..33bff68dc 100644
--- a/lib/kitchen/provisioner/chef_base.rb
+++ b/lib/kitchen/provisioner/chef_base.rb
@@ -16,13 +16,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'fileutils'
-require 'pathname'
-require 'json'
+require "fileutils"
+require "pathname"
+require "json"
 
-require 'kitchen/provisioner/chef/berkshelf'
-require 'kitchen/provisioner/chef/librarian'
-require 'kitchen/util'
+require "kitchen/provisioner/chef/berkshelf"
+require "kitchen/provisioner/chef/librarian"
+require "kitchen/util"
 
 module Kitchen
 
@@ -91,7 +91,7 @@ def install_command
       def init_command
         dirs = %w[cookbooks data data_bags environments roles clients].
           map { |dir| File.join(config[:root_path], dir) }.join(" ")
-        lines = ["#{sudo('rm')} -rf #{dirs}", "mkdir -p #{config[:root_path]}"]
+        lines = ["#{sudo("rm")} -rf #{dirs}", "mkdir -p #{config[:root_path]}"]
 
         Util.wrap_command(lines.join("\n"))
       end
@@ -155,11 +155,11 @@ def chef_install_function
                          end
         install_flags = %w[latest true].include?(version) ? "" : "-v #{version}"
 
-        <<-INSTALL.gsub(/^ {10}/, '')
+        <<-INSTALL.gsub(/^ {10}/, "")
           if should_update_chef "/opt/chef" "#{version}" ; then
             echo "-----> Installing Chef Omnibus (#{pretty_version})"
             do_download #{config[:chef_omnibus_url]} /tmp/install.sh
-            #{sudo('sh')} /tmp/install.sh #{install_flags}
+            #{sudo("sh")} /tmp/install.sh #{install_flags}
           else
             echo "-----> Chef Omnibus installation detected (#{pretty_version})"
           fi
diff --git a/lib/kitchen/provisioner/chef_solo.rb b/lib/kitchen/provisioner/chef_solo.rb
index c6795bfd9..01f72a1ad 100644
--- a/lib/kitchen/provisioner/chef_solo.rb
+++ b/lib/kitchen/provisioner/chef_solo.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/provisioner/chef_base'
+require "kitchen/provisioner/chef_base"
 
 module Kitchen
 
diff --git a/lib/kitchen/provisioner/chef_zero.rb b/lib/kitchen/provisioner/chef_zero.rb
index 3fead0183..a6564d721 100644
--- a/lib/kitchen/provisioner/chef_zero.rb
+++ b/lib/kitchen/provisioner/chef_zero.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/provisioner/chef_base'
+require "kitchen/provisioner/chef_base"
 
 module Kitchen
 
@@ -47,7 +47,7 @@ def prepare_command
         # we are installing latest chef in order to get chef-zero and
         # Chef::ChefFS only. The version of Chef that gets run will be
         # the installed omnibus package. Yep, this is funky :)
-        cmd = <<-PREPARE.gsub(/^ {10}/, '')
+        cmd = <<-PREPARE.gsub(/^ {10}/, "")
           #{chef_client_zero_env(:export)}
           if ! #{sudo("#{ruby_bin}/gem")} list chef-zero -i >/dev/null; then
             echo ">>>>>> Attempting to use chef-zero with old version of Chef"
diff --git a/lib/kitchen/provisioner/dummy.rb b/lib/kitchen/provisioner/dummy.rb
index c15550f74..7ae9f2b8e 100644
--- a/lib/kitchen/provisioner/dummy.rb
+++ b/lib/kitchen/provisioner/dummy.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen'
+require "kitchen"
 
 module Kitchen
 
diff --git a/lib/kitchen/provisioner/shell.rb b/lib/kitchen/provisioner/shell.rb
index 941b0a431..b331a7c59 100644
--- a/lib/kitchen/provisioner/shell.rb
+++ b/lib/kitchen/provisioner/shell.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'kitchen/provisioner/base'
+require "kitchen/provisioner/base"
 
 module Kitchen
 
@@ -47,7 +47,7 @@ def create_sandbox
       # (see Base#init_command)
       def init_command
         data = File.join(config[:root_path], "data")
-        cmd = "#{sudo('rm')} -rf #{data} ; mkdir -p #{config[:root_path]}"
+        cmd = "#{sudo("rm")} -rf #{data} ; mkdir -p #{config[:root_path]}"
 
         Util.wrap_command(cmd)
       end
diff --git a/lib/kitchen/rake_tasks.rb b/lib/kitchen/rake_tasks.rb
index 5ac2091d3..105063aa0 100644
--- a/lib/kitchen/rake_tasks.rb
+++ b/lib/kitchen/rake_tasks.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'rake/tasklib'
+require "rake/tasklib"
 
-require 'kitchen'
+require "kitchen"
 
 module Kitchen
 
diff --git a/lib/kitchen/shell_out.rb b/lib/kitchen/shell_out.rb
index 0582eaba1..d362060da 100644
--- a/lib/kitchen/shell_out.rb
+++ b/lib/kitchen/shell_out.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'mixlib/shellout'
+require "mixlib/shellout"
 
 module Kitchen
 
diff --git a/lib/kitchen/ssh.rb b/lib/kitchen/ssh.rb
index 2d8a32662..3fba32d53 100644
--- a/lib/kitchen/ssh.rb
+++ b/lib/kitchen/ssh.rb
@@ -16,13 +16,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'logger'
-require 'net/ssh'
-require 'net/scp'
-require 'socket'
+require "logger"
+require "net/ssh"
+require "net/scp"
+require "socket"
 
-require 'kitchen/errors'
-require 'kitchen/login_command'
+require "kitchen/errors"
+require "kitchen/login_command"
 
 module Kitchen
 
diff --git a/lib/kitchen/state_file.rb b/lib/kitchen/state_file.rb
index 4c003c8b2..776fce31e 100644
--- a/lib/kitchen/state_file.rb
+++ b/lib/kitchen/state_file.rb
@@ -18,10 +18,10 @@
 
 if RUBY_VERSION <= "1.9.3"
   # ensure that Psych and not Syck is used for Ruby 1.9.2
-  require 'yaml'
-  YAML::ENGINE.yamler = 'psych'
+  require "yaml"
+  YAML::ENGINE.yamler = "psych"
 end
-require 'safe_yaml/load'
+require "safe_yaml/load"
 
 module Kitchen
 
diff --git a/lib/kitchen/thor_tasks.rb b/lib/kitchen/thor_tasks.rb
index 3987e7c5c..027404ddc 100644
--- a/lib/kitchen/thor_tasks.rb
+++ b/lib/kitchen/thor_tasks.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'thor'
+require "thor"
 
-require 'kitchen'
+require "kitchen"
 
 module Kitchen
 
@@ -52,14 +52,14 @@ def initialize(*args)
     def define
       config.instances.each do |instance|
         self.class.desc instance.name, "Run #{instance.name} test instance"
-        self.class.send(:define_method, instance.name.gsub(/-/, '_')) do
+        self.class.send(:define_method, instance.name.gsub(/-/, "_")) do
           instance.test(:always)
         end
       end
 
       self.class.desc "all", "Run all test instances"
       self.class.send(:define_method, :all) do
-        config.instances.each { |i| invoke i.name.gsub(/-/, '_') }
+        config.instances.each { |i| invoke i.name.gsub(/-/, "_") }
       end
     end
   end
diff --git a/lib/kitchen/util.rb b/lib/kitchen/util.rb
index 054cc83d7..19dada2f9 100644
--- a/lib/kitchen/util.rb
+++ b/lib/kitchen/util.rb
@@ -110,7 +110,7 @@ def self.duration(total)
     def self.wrap_command(cmd)
       cmd = "false" if cmd.nil?
       cmd = "true" if cmd.to_s.empty?
-      cmd = cmd.sub(/\n\Z/, '') if cmd =~ /\n\Z/
+      cmd = cmd.sub(/\n\Z/, "") if cmd =~ /\n\Z/
 
       "sh -c '\n#{cmd}\n'"
     end
@@ -130,7 +130,7 @@ def self.wrap_command(cmd)
     # @param string [String] the string that will be modified
     # @return [String] the modified string
     def self.outdent!(string)
-      string.gsub!(/^ {#{string.index(/[^ ]/)}}/, '')
+      string.gsub!(/^ {#{string.index(/[^ ]/)}}/, "")
     end
 
     # Returns a set of Bourne Shell (AKA /bin/sh) compatible helper
diff --git a/spec/kitchen/collection_spec.rb b/spec/kitchen/collection_spec.rb
index f1997d7bb..73da47d5b 100644
--- a/spec/kitchen/collection_spec.rb
+++ b/spec/kitchen/collection_spec.rb
@@ -16,16 +16,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
-require 'ostruct'
+require_relative "../spec_helper"
+require "ostruct"
 
-require 'kitchen/collection'
+require "kitchen/collection"
 
 describe Kitchen::Collection do
 
   let(:collection) do
     Kitchen::Collection.new([
-      obj('one'), obj('two', 'a'), obj('two', 'b'), obj('three')
+      obj("one"), obj("two", "a"), obj("two", "b"), obj("three")
     ])
   end
 
@@ -36,15 +36,15 @@
   describe "#get" do
 
     it "returns a single object by its name" do
-      collection.get('three').must_equal obj('three')
+      collection.get("three").must_equal obj("three")
     end
 
     it "returns the first occurance of an object by its name" do
-      collection.get('two').must_equal obj('two', 'a')
+      collection.get("two").must_equal obj("two", "a")
     end
 
     it "returns nil if an object cannot be found by its name" do
-      collection.get('nope').must_be_nil
+      collection.get("nope").must_be_nil
     end
   end
 
@@ -53,8 +53,8 @@
     it "returns a Collection of objects whose name matches the regex" do
       result = collection.get_all(/(one|three)/)
       result.size.must_equal 2
-      result[0].must_equal obj('one')
-      result[1].must_equal obj('three')
+      result[0].must_equal obj("one")
+      result[1].must_equal obj("three")
       result.get_all(/one/).size.must_equal 1
     end
 
diff --git a/spec/kitchen/color_spec.rb b/spec/kitchen/color_spec.rb
index 79dc17f0e..51f28c499 100644
--- a/spec/kitchen/color_spec.rb
+++ b/spec/kitchen/color_spec.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'kitchen/color'
+require "kitchen/color"
 
 describe Kitchen::Color do
 
diff --git a/spec/kitchen/config_spec.rb b/spec/kitchen/config_spec.rb
index ae5f4ccf5..8a3d640b1 100644
--- a/spec/kitchen/config_spec.rb
+++ b/spec/kitchen/config_spec.rb
@@ -16,18 +16,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
-
-require 'kitchen'
-require 'kitchen/logging'
-require 'kitchen/collection'
-require 'kitchen/config'
-require 'kitchen/driver'
-require 'kitchen/instance'
-require 'kitchen/platform'
-require 'kitchen/provisioner'
-require 'kitchen/suite'
-require 'kitchen/util'
+require_relative "../spec_helper"
+
+require "kitchen"
+require "kitchen/logging"
+require "kitchen/collection"
+require "kitchen/config"
+require "kitchen/driver"
+require "kitchen/instance"
+require "kitchen/platform"
+require "kitchen/provisioner"
+require "kitchen/suite"
+require "kitchen/util"
 
 module Kitchen
 
diff --git a/spec/kitchen/configurable_spec.rb b/spec/kitchen/configurable_spec.rb
index 25cc5d17b..7b95c15cc 100644
--- a/spec/kitchen/configurable_spec.rb
+++ b/spec/kitchen/configurable_spec.rb
@@ -16,11 +16,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
-require 'stringio'
+require_relative "../spec_helper"
+require "stringio"
 
-require 'kitchen/errors'
-require 'kitchen/configurable'
+require "kitchen/errors"
+require "kitchen/configurable"
 
 module Kitchen
 
@@ -40,7 +40,7 @@ class StaticDefaults
       include Kitchen::Configurable
 
       default_config :beans, "kidney"
-      default_config :tunables, 'flimflam' => 'positate'
+      default_config :tunables, "flimflam" => "positate"
       default_config :edible, true
       default_config :fetch_command, "curl"
       default_config :success_path, "./success"
@@ -138,7 +138,7 @@ class SubclassDefaults < StaticDefaults
 
       it "uses defaults" do
         subject[:beans].must_equal "kidney"
-        subject[:tunables]['flimflam'].must_equal 'positate'
+        subject[:tunables]["flimflam"].must_equal "positate"
         subject[:edible].must_equal true
       end
 
@@ -180,7 +180,7 @@ class SubclassDefaults < StaticDefaults
 
       it "contains defaults from superclass" do
         subject[:beans].must_equal "kidney"
-        subject[:tunables]['flimflam'].must_equal 'positate'
+        subject[:tunables]["flimflam"].must_equal "positate"
         subject[:edible].must_equal true
         subject[:yea].must_equal "ya"
       end
diff --git a/spec/kitchen/data_munger_spec.rb b/spec/kitchen/data_munger_spec.rb
index 53c605e22..85cc73a22 100644
--- a/spec/kitchen/data_munger_spec.rb
+++ b/spec/kitchen/data_munger_spec.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'kitchen/data_munger'
+require "kitchen/data_munger"
 
 module Kitchen
 
diff --git a/spec/kitchen/driver/base_spec.rb b/spec/kitchen/driver/base_spec.rb
index 60b520f43..35a9da4e8 100644
--- a/spec/kitchen/driver/base_spec.rb
+++ b/spec/kitchen/driver/base_spec.rb
@@ -16,11 +16,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../../spec_helper'
-require 'logger'
-require 'stringio'
+require_relative "../../spec_helper"
+require "logger"
+require "stringio"
 
-require 'kitchen'
+require "kitchen"
 
 module Kitchen
 
diff --git a/spec/kitchen/driver/dummy_spec.rb b/spec/kitchen/driver/dummy_spec.rb
index 9c4733af3..9ee9d2489 100644
--- a/spec/kitchen/driver/dummy_spec.rb
+++ b/spec/kitchen/driver/dummy_spec.rb
@@ -16,11 +16,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../../spec_helper'
-require 'logger'
-require 'stringio'
+require_relative "../../spec_helper"
+require "logger"
+require "stringio"
 
-require 'kitchen/driver/dummy'
+require "kitchen/driver/dummy"
 
 describe Kitchen::Driver::Dummy do
 
diff --git a/spec/kitchen/driver/proxy_spec.rb b/spec/kitchen/driver/proxy_spec.rb
index d3569e9cd..5f00d520f 100644
--- a/spec/kitchen/driver/proxy_spec.rb
+++ b/spec/kitchen/driver/proxy_spec.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../../spec_helper'
+require_relative "../../spec_helper"
 
-require 'kitchen/driver/proxy'
+require "kitchen/driver/proxy"
 
 describe Kitchen::Driver::Proxy do
 
diff --git a/spec/kitchen/driver_spec.rb b/spec/kitchen/driver_spec.rb
index 1ef9f1bdf..7b958d636 100644
--- a/spec/kitchen/driver_spec.rb
+++ b/spec/kitchen/driver_spec.rb
@@ -16,13 +16,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'kitchen/errors'
-require 'kitchen/logging'
-require 'kitchen/shell_out'
-require 'kitchen/driver'
-require 'kitchen/driver/base'
+require "kitchen/errors"
+require "kitchen/logging"
+require "kitchen/shell_out"
+require "kitchen/driver"
+require "kitchen/driver/base"
 
 module Kitchen
 
@@ -63,28 +63,28 @@ def verify_dependencies
     end
 
     it "returns a driver object of the correct class" do
-      driver = Kitchen::Driver.for_plugin('coolbeans', {})
+      driver = Kitchen::Driver.for_plugin("coolbeans", {})
 
       driver.must_be_kind_of Kitchen::Driver::Coolbeans
     end
 
     it "returns a driver initialized with its config" do
-      driver = Kitchen::Driver.for_plugin('coolbeans', :jelly => 'beans')
+      driver = Kitchen::Driver.for_plugin("coolbeans", :jelly => "beans")
 
-      driver[:jelly].must_equal 'beans'
+      driver[:jelly].must_equal "beans"
     end
 
     it "calls #verify_dependencies on the driver object" do
-      driver = Kitchen::Driver.for_plugin('it_depends', {})
+      driver = Kitchen::Driver.for_plugin("it_depends", {})
 
       driver.verify_call_count.must_equal 1
     end
 
     it "calls #verify_dependencies once per driver require" do
       Kitchen::Driver.stubs(:require).returns(true, false)
-      driver1 = Kitchen::Driver.for_plugin('it_depends', {})
+      driver1 = Kitchen::Driver.for_plugin("it_depends", {})
       driver1.verify_call_count.must_equal 1
-      driver2 = Kitchen::Driver.for_plugin('it_depends', {})
+      driver2 = Kitchen::Driver.for_plugin("it_depends", {})
 
       driver2.verify_call_count.must_equal 0
     end
@@ -92,19 +92,19 @@ def verify_dependencies
     it "raises ClientError if the driver could not be required" do
       Kitchen::Driver.stubs(:require).raises(LoadError)
 
-      proc { Kitchen::Driver.for_plugin('coolbeans', {}) }.
+      proc { Kitchen::Driver.for_plugin("coolbeans", {}) }.
         must_raise Kitchen::ClientError
     end
 
     it "raises ClientError if the driver's class constant could not be found" do
       Kitchen::Driver.stubs(:require).returns(true) # pretend require worked
 
-      proc { Kitchen::Driver.for_plugin('nope', {}) }.
+      proc { Kitchen::Driver.for_plugin("nope", {}) }.
         must_raise Kitchen::ClientError
     end
 
     it "raises UserError if #verify_dependencies fails" do
-      proc { Kitchen::Driver.for_plugin('unstable_depends', {}) }.
+      proc { Kitchen::Driver.for_plugin("unstable_depends", {}) }.
         must_raise Kitchen::UserError
     end
   end
diff --git a/spec/kitchen/errors_spec.rb b/spec/kitchen/errors_spec.rb
index 7a777d75b..9b229933c 100644
--- a/spec/kitchen/errors_spec.rb
+++ b/spec/kitchen/errors_spec.rb
@@ -16,10 +16,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'kitchen'
-require 'kitchen/errors'
+require "kitchen"
+require "kitchen/errors"
 
 describe Kitchen::Error do
 
diff --git a/spec/kitchen/instance_spec.rb b/spec/kitchen/instance_spec.rb
index 32e959473..4e725d448 100644
--- a/spec/kitchen/instance_spec.rb
+++ b/spec/kitchen/instance_spec.rb
@@ -16,17 +16,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
-require 'stringio'
-
-require 'kitchen/logging'
-require 'kitchen/instance'
-require 'kitchen/driver'
-require 'kitchen/driver/dummy'
-require 'kitchen/platform'
-require 'kitchen/provisioner'
-require 'kitchen/provisioner/dummy'
-require 'kitchen/suite'
+require_relative "../spec_helper"
+require "stringio"
+
+require "kitchen/logging"
+require "kitchen/instance"
+require "kitchen/driver"
+require "kitchen/driver/dummy"
+require "kitchen/platform"
+require "kitchen/provisioner"
+require "kitchen/provisioner/dummy"
+require "kitchen/suite"
 
 class DummyStateFile
 
diff --git a/spec/kitchen/lazy_hash_spec.rb b/spec/kitchen/lazy_hash_spec.rb
index 7daae4970..c7de64a14 100644
--- a/spec/kitchen/lazy_hash_spec.rb
+++ b/spec/kitchen/lazy_hash_spec.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'kitchen/lazy_hash'
+require "kitchen/lazy_hash"
 
 describe Kitchen::LazyHash do
 
diff --git a/spec/kitchen/loader/yaml_spec.rb b/spec/kitchen/loader/yaml_spec.rb
index 4142cb009..026a4071e 100644
--- a/spec/kitchen/loader/yaml_spec.rb
+++ b/spec/kitchen/loader/yaml_spec.rb
@@ -16,11 +16,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../../spec_helper'
+require_relative "../../spec_helper"
 
-require 'kitchen/errors'
-require 'kitchen/util'
-require 'kitchen/loader/yaml'
+require "kitchen/errors"
+require "kitchen/util"
+require "kitchen/loader/yaml"
 
 class Yamled
   attr_accessor :foo
@@ -45,60 +45,60 @@ class Yamled
   describe ".initialize" do
 
     it "sets project_config based on Dir.pwd by default" do
-      stub_file(File.join(Dir.pwd, '.kitchen.yml'), Hash.new)
+      stub_file(File.join(Dir.pwd, ".kitchen.yml"), Hash.new)
       loader = Kitchen::Loader::YAML.new
 
       loader.diagnose[:project_config][:filename].
-        must_equal File.expand_path(File.join(Dir.pwd, '.kitchen.yml'))
+        must_equal File.expand_path(File.join(Dir.pwd, ".kitchen.yml"))
     end
 
     it "sets project_config from parameter, if given" do
-      stub_file('/tmp/crazyfunkytown.file', Hash.new)
+      stub_file("/tmp/crazyfunkytown.file", Hash.new)
       loader = Kitchen::Loader::YAML.new(
-        :project_config => '/tmp/crazyfunkytown.file')
+        :project_config => "/tmp/crazyfunkytown.file")
 
       loader.diagnose[:project_config][:filename].
         must_match %r{/tmp/crazyfunkytown.file$}
     end
 
     it "sets local_config based on Dir.pwd by default" do
-      stub_file(File.join(Dir.pwd, '.kitchen.local.yml'), Hash.new)
+      stub_file(File.join(Dir.pwd, ".kitchen.local.yml"), Hash.new)
       loader = Kitchen::Loader::YAML.new
 
       loader.diagnose[:local_config][:filename].
-        must_equal File.expand_path(File.join(Dir.pwd, '.kitchen.local.yml'))
+        must_equal File.expand_path(File.join(Dir.pwd, ".kitchen.local.yml"))
     end
 
     it "sets local_config based on location of project_config by default" do
-      stub_file('/tmp/.kitchen.local.yml', Hash.new)
+      stub_file("/tmp/.kitchen.local.yml", Hash.new)
       loader = Kitchen::Loader::YAML.new(
-        :project_config => '/tmp/.kitchen.yml')
+        :project_config => "/tmp/.kitchen.yml")
 
       loader.diagnose[:local_config][:filename].
         must_match %r{/tmp/.kitchen.local.yml$}
     end
 
     it "sets local_config from parameter, if given" do
-      stub_file('/tmp/crazyfunkytown.file', Hash.new)
+      stub_file("/tmp/crazyfunkytown.file", Hash.new)
       loader = Kitchen::Loader::YAML.new(
-        :local_config => '/tmp/crazyfunkytown.file')
+        :local_config => "/tmp/crazyfunkytown.file")
 
       loader.diagnose[:local_config][:filename].
         must_match %r{/tmp/crazyfunkytown.file$}
     end
 
     it "sets global_config based on ENV['HOME'] by default" do
-      stub_file(File.join(ENV['HOME'], '.kitchen/config.yml'), Hash.new)
+      stub_file(File.join(ENV["HOME"], ".kitchen/config.yml"), Hash.new)
       loader = Kitchen::Loader::YAML.new
 
       loader.diagnose[:global_config][:filename].must_equal File.expand_path(
-        File.join(ENV['HOME'], '.kitchen/config.yml'))
+        File.join(ENV["HOME"], ".kitchen/config.yml"))
     end
 
     it "sets global_config from parameter, if given" do
-      stub_file('/tmp/crazyfunkytown.file', Hash.new)
+      stub_file("/tmp/crazyfunkytown.file", Hash.new)
       loader = Kitchen::Loader::YAML.new(
-        :global_config => '/tmp/crazyfunkytown.file')
+        :global_config => "/tmp/crazyfunkytown.file")
 
       loader.diagnose[:global_config][:filename].
         must_match %r{/tmp/crazyfunkytown.file$}
@@ -109,74 +109,74 @@ class Yamled
 
     it "returns a hash of kitchen.yml with symbolized keys" do
       stub_yaml!(
-        'foo' => 'bar'
+        "foo" => "bar"
       )
 
-      loader.read.must_equal(:foo => 'bar')
+      loader.read.must_equal(:foo => "bar")
     end
 
     it "deep merges in kitchen.local.yml configuration with kitchen.yml" do
       stub_yaml!(".kitchen.yml",
-        'common' => { 'xx' => 1 },
-        'a' => 'b'
+        "common" => { "xx" => 1 },
+        "a" => "b"
       )
       stub_yaml!(".kitchen.local.yml",
-        'common' => { 'yy' => 2 },
-        'c' => 'd'
+        "common" => { "yy" => 2 },
+        "c" => "d"
       )
 
       loader.read.must_equal(
-        :a => 'b',
-        :c => 'd',
+        :a => "b",
+        :c => "d",
         :common => { :xx => 1, :yy => 2 }
       )
     end
 
     it "deep merges in a global config file with all other configs" do
       stub_yaml!(".kitchen.yml",
-        'common' => { 'xx' => 1 },
-        'a' => 'b'
+        "common" => { "xx" => 1 },
+        "a" => "b"
       )
       stub_yaml!(".kitchen.local.yml",
-        'common' => { 'yy' => 2 },
-        'c' => 'd'
+        "common" => { "yy" => 2 },
+        "c" => "d"
       )
       stub_global!(
-        'common' => { 'zz' => 3 },
-        'e' => 'f'
+        "common" => { "zz" => 3 },
+        "e" => "f"
       )
 
       loader.read.must_equal(
-        :a => 'b',
-        :c => 'd',
-        :e => 'f',
+        :a => "b",
+        :c => "d",
+        :e => "f",
         :common => { :xx => 1, :yy => 2, :zz => 3 }
       )
     end
 
     it "merges kitchen.local.yml over configuration in kitchen.yml" do
       stub_yaml!(".kitchen.yml",
-        'common' => { 'thekey' => 'nope' }
+        "common" => { "thekey" => "nope" }
       )
       stub_yaml!(".kitchen.local.yml",
-        'common' => { 'thekey' => 'yep' }
+        "common" => { "thekey" => "yep" }
       )
 
-      loader.read.must_equal(:common => { :thekey => 'yep' })
+      loader.read.must_equal(:common => { :thekey => "yep" })
     end
 
     it "merges global config over both kitchen.local.yml and kitchen.yml" do
       stub_yaml!(".kitchen.yml",
-        'common' => { 'thekey' => 'nope' }
+        "common" => { "thekey" => "nope" }
       )
       stub_yaml!(".kitchen.local.yml",
-        'common' => { 'thekey' => 'yep' }
+        "common" => { "thekey" => "yep" }
       )
       stub_global!(
-        'common' => { 'thekey' => 'kinda' }
+        "common" => { "thekey" => "kinda" }
       )
 
-      loader.read.must_equal(:common => { :thekey => 'kinda' })
+      loader.read.must_equal(:common => { :thekey => "kinda" })
     end
 
     NORMALIZED_KEYS = {
@@ -191,46 +191,46 @@ class Yamled
 
         it "merges local with #{key} string value over yaml with hash value" do
           stub_yaml!(".kitchen.yml",
-            key => { 'dakey' => 'ya' }
+            key => { "dakey" => "ya" }
           )
           stub_yaml!(".kitchen.local.yml",
-            key => 'namey'
+            key => "namey"
           )
 
           loader.read.must_equal(
-            key.to_sym => { default_key.to_sym => "namey", :dakey => 'ya' }
+            key.to_sym => { default_key.to_sym => "namey", :dakey => "ya" }
           )
         end
 
         it "merges local with #{key} hash value over yaml with string value" do
           stub_yaml!(".kitchen.yml",
-            key => 'namey'
+            key => "namey"
           )
           stub_yaml!(".kitchen.local.yml",
-            key => { 'dakey' => 'ya' }
+            key => { "dakey" => "ya" }
           )
 
           loader.read.must_equal(
-            key.to_sym => { default_key.to_sym => "namey", :dakey => 'ya' }
+            key.to_sym => { default_key.to_sym => "namey", :dakey => "ya" }
           )
         end
 
         it "merges local with #{key} nil value over yaml with hash value" do
           stub_yaml!(".kitchen.yml",
-            key => { 'dakey' => 'ya' }
+            key => { "dakey" => "ya" }
           )
           stub_yaml!(".kitchen.local.yml",
             key => nil
           )
 
           loader.read.must_equal(
-            key.to_sym => { :dakey => 'ya' }
+            key.to_sym => { :dakey => "ya" }
           )
         end
 
         it "merges local with #{key} hash value over yaml with nil value" do
           stub_yaml!(".kitchen.yml",
-            key => 'namey'
+            key => "namey"
           )
           stub_yaml!(".kitchen.local.yml",
             key => nil
@@ -243,40 +243,40 @@ class Yamled
 
         it "merges global with #{key} string value over yaml with hash value" do
           stub_yaml!(".kitchen.yml",
-            key => { 'dakey' => 'ya' }
+            key => { "dakey" => "ya" }
           )
           stub_global!(
-            key => 'namey'
+            key => "namey"
           )
 
           loader.read.must_equal(
-            key.to_sym => { default_key.to_sym => "namey", :dakey => 'ya' }
+            key.to_sym => { default_key.to_sym => "namey", :dakey => "ya" }
           )
         end
 
         it "merges global with #{key} hash value over yaml with string value" do
           stub_yaml!(".kitchen.yml",
-            key => 'namey'
+            key => "namey"
           )
           stub_global!(
-            key => { 'dakey' => 'ya' }
+            key => { "dakey" => "ya" }
           )
 
           loader.read.must_equal(
-            key.to_sym => { default_key.to_sym => "namey", :dakey => 'ya' }
+            key.to_sym => { default_key.to_sym => "namey", :dakey => "ya" }
           )
         end
 
         it "merges global with #{key} nil value over yaml with hash value" do
           stub_yaml!(".kitchen.yml",
-            key => { 'dakey' => 'ya' }
+            key => { "dakey" => "ya" }
           )
           stub_global!(
             key => nil
           )
 
           loader.read.must_equal(
-            key.to_sym => { :dakey => 'ya' }
+            key.to_sym => { :dakey => "ya" }
           )
         end
 
@@ -285,11 +285,11 @@ class Yamled
             key => nil
           )
           stub_global!(
-            key => { 'dakey' => 'ya' }
+            key => { "dakey" => "ya" }
           )
 
           loader.read.must_equal(
-            key.to_sym => { :dakey => 'ya' }
+            key.to_sym => { :dakey => "ya" }
           )
         end
 
@@ -301,11 +301,11 @@ class Yamled
             key => "namey"
           )
           stub_global!(
-            key => { 'dakey' => 'ya' }
+            key => { "dakey" => "ya" }
           )
 
           loader.read.must_equal(
-            key.to_sym => { default_key.to_sym => "namey", :dakey => 'ya' }
+            key.to_sym => { default_key.to_sym => "namey", :dakey => "ya" }
           )
         end
       end
@@ -313,29 +313,29 @@ class Yamled
 
     it "handles a kitchen.local.yml with no yaml elements" do
       stub_yaml!(".kitchen.yml",
-        'a' => 'b'
+        "a" => "b"
       )
       stub_yaml!(".kitchen.local.yml", Hash.new)
 
-      loader.read.must_equal(:a => 'b')
+      loader.read.must_equal(:a => "b")
     end
 
     it "handles a kitchen.yml with no yaml elements" do
       stub_yaml!(".kitchen.yml", Hash.new)
       stub_yaml!(".kitchen.local.yml",
-        'a' => 'b'
+        "a" => "b"
       )
 
-      loader.read.must_equal(:a => 'b')
+      loader.read.must_equal(:a => "b")
     end
 
     it "handles a kitchen.yml with yaml elements that parse as nil" do
       stub_yaml!(".kitchen.yml", nil)
       stub_yaml!(".kitchen.local.yml",
-        'a' => 'b'
+        "a" => "b"
       )
 
-      loader.read.must_equal(:a => 'b')
+      loader.read.must_equal(:a => "b")
     end
 
     it "raises an UserError if the config_file does not exist" do
@@ -345,7 +345,7 @@ class Yamled
     it "arbitrary objects aren't deserialized in kitchen.yml" do
       FileUtils.mkdir_p "/tmp"
       File.open("/tmp/.kitchen.yml", "wb") do |f|
-        f.write <<-YAML.gsub(/^ {10}/, '')
+        f.write <<-YAML.gsub(/^ {10}/, "")
           --- !ruby/object:Yamled
           foo: bar
         YAML
@@ -353,13 +353,13 @@ class Yamled
 
       loader.read.class.wont_equal Yamled
       loader.read.class.must_equal Hash
-      loader.read.must_equal(:foo => 'bar')
+      loader.read.must_equal(:foo => "bar")
     end
 
     it "arbitrary objects aren't deserialized in kitchen.local.yml" do
       FileUtils.mkdir_p "/tmp"
       File.open("/tmp/.kitchen.local.yml", "wb") do |f|
-        f.write <<-YAML.gsub(/^ {10}/, '')
+        f.write <<-YAML.gsub(/^ {10}/, "")
           --- !ruby/object:Yamled
           wakka: boop
         YAML
@@ -368,12 +368,12 @@ class Yamled
 
       loader.read.class.wont_equal Yamled
       loader.read.class.must_equal Hash
-      loader.read.must_equal(:wakka => 'boop')
+      loader.read.must_equal(:wakka => "boop")
     end
 
     it "raises a UserError if kitchen.yml cannot be parsed" do
       FileUtils.mkdir_p "/tmp"
-      File.open("/tmp/.kitchen.yml", "wb") { |f| f.write '&*%^*' }
+      File.open("/tmp/.kitchen.yml", "wb") { |f| f.write "&*%^*" }
 
       err = proc { loader.read }.must_raise Kitchen::UserError
       err.message.must_match Regexp.new(
@@ -382,7 +382,7 @@ class Yamled
 
     it "raises a UserError if kitchen.yml cannot be parsed" do
       FileUtils.mkdir_p "/tmp"
-      File.open("/tmp/.kitchen.yml", "wb") { |f| f.write 'uhoh' }
+      File.open("/tmp/.kitchen.yml", "wb") { |f| f.write "uhoh" }
 
       err = proc { loader.read }.must_raise Kitchen::UserError
       err.message.must_match Regexp.new(
@@ -398,7 +398,7 @@ class Yamled
 
     it "raises a UserError if kitchen.local.yml cannot be parsed" do
       FileUtils.mkdir_p "/tmp"
-      File.open("/tmp/.kitchen.local.yml", "wb") { |f| f.write '&*%^*' }
+      File.open("/tmp/.kitchen.local.yml", "wb") { |f| f.write "&*%^*" }
       stub_yaml!(".kitchen.yml", Hash.new)
 
       proc { loader.read }.must_raise Kitchen::UserError
@@ -407,7 +407,7 @@ class Yamled
     it "evaluates kitchen.yml through erb before loading by default" do
       FileUtils.mkdir_p "/tmp"
       File.open("/tmp/.kitchen.yml", "wb") do |f|
-        f.write <<-'YAML'.gsub(/^ {10}/, '')
+        f.write <<-'YAML'.gsub(/^ {10}/, "")
           ---
           name: <%= "AHH".downcase + "choo" %>
         YAML
@@ -419,7 +419,7 @@ class Yamled
     it "raises a UserError if there is an ERB processing error" do
       FileUtils.mkdir_p "/tmp"
       File.open("/tmp/.kitchen.yml", "wb") do |f|
-        f.write <<-'YAML'.gsub(/^ {10}/, '')
+        f.write <<-'YAML'.gsub(/^ {10}/, "")
           ---
           <%= poop %>: yep
         YAML
@@ -433,28 +433,28 @@ class Yamled
     it "evaluates kitchen.local.yml through erb before loading by default" do
       FileUtils.mkdir_p "/tmp"
       File.open("/tmp/.kitchen.local.yml", "wb") do |f|
-        f.write <<-'YAML'.gsub(/^ {10}/, '')
+        f.write <<-'YAML'.gsub(/^ {10}/, "")
           ---
           <% %w{noodle mushroom}.each do |kind| %>
             <%= kind %>: soup
           <% end %>
         YAML
       end
-      stub_yaml!(".kitchen.yml", 'spinach' => 'salad')
+      stub_yaml!(".kitchen.yml", "spinach" => "salad")
 
       loader.read.must_equal(
-        :spinach => 'salad',
-        :noodle => 'soup',
-        :mushroom => 'soup'
+        :spinach => "salad",
+        :noodle => "soup",
+        :mushroom => "soup"
       )
     end
 
     it "skips evaluating kitchen.yml through erb if disabled" do
       loader = Kitchen::Loader::YAML.new(
-        :project_config => '/tmp/.kitchen.yml', :process_erb => false)
+        :project_config => "/tmp/.kitchen.yml", :process_erb => false)
       FileUtils.mkdir_p "/tmp"
       File.open("/tmp/.kitchen.yml", "wb") do |f|
-        f.write <<-'YAML'.gsub(/^ {10}/, '')
+        f.write <<-'YAML'.gsub(/^ {10}/, "")
           ---
           name: <%= "AHH".downcase %>
         YAML
@@ -465,10 +465,10 @@ class Yamled
 
     it "skips evaluating kitchen.local.yml through erb if disabled" do
       loader = Kitchen::Loader::YAML.new(
-        :project_config => '/tmp/.kitchen.yml', :process_erb => false)
+        :project_config => "/tmp/.kitchen.yml", :process_erb => false)
       FileUtils.mkdir_p "/tmp"
       File.open("/tmp/.kitchen.local.yml", "wb") do |f|
-        f.write <<-'YAML'.gsub(/^ {10}/, '')
+        f.write <<-'YAML'.gsub(/^ {10}/, "")
           ---
           name: <%= "AHH".downcase %>
         YAML
@@ -480,28 +480,28 @@ class Yamled
 
     it "skips kitchen.local.yml if disabled" do
       loader = Kitchen::Loader::YAML.new(
-        :project_config => '/tmp/.kitchen.yml', :process_local => false)
+        :project_config => "/tmp/.kitchen.yml", :process_local => false)
       stub_yaml!(".kitchen.yml",
-        'a' => 'b'
+        "a" => "b"
       )
       stub_yaml!(".kitchen.local.yml",
-        'superawesomesauceadditions' => 'enabled, yo'
+        "superawesomesauceadditions" => "enabled, yo"
       )
 
-      loader.read.must_equal(:a => 'b')
+      loader.read.must_equal(:a => "b")
     end
 
     it "skips the global config if disabled" do
       loader = Kitchen::Loader::YAML.new(
-        :project_config => '/tmp/.kitchen.yml', :process_global => false)
+        :project_config => "/tmp/.kitchen.yml", :process_global => false)
       stub_yaml!(".kitchen.yml",
-        'a' => 'b'
+        "a" => "b"
       )
       stub_global!(
-        'superawesomesauceadditions' => 'enabled, yo'
+        "superawesomesauceadditions" => "enabled, yo"
       )
 
-      loader.read.must_equal(:a => 'b')
+      loader.read.must_equal(:a => "b")
     end
   end
 
@@ -522,7 +522,7 @@ class Yamled
     it "contains erb processing information when false" do
       stub_yaml!(Hash.new)
       loader = Kitchen::Loader::YAML.new(
-        :project_config => '/tmp/.kitchen.yml', :process_erb => false)
+        :project_config => "/tmp/.kitchen.yml", :process_erb => false)
 
       loader.diagnose[:process_erb].must_equal false
     end
@@ -536,7 +536,7 @@ class Yamled
     it "contains local processing information when false" do
       stub_yaml!(Hash.new)
       loader = Kitchen::Loader::YAML.new(
-        :project_config => '/tmp/.kitchen.yml', :process_local => false)
+        :project_config => "/tmp/.kitchen.yml", :process_local => false)
 
       loader.diagnose[:process_local].must_equal false
     end
@@ -550,7 +550,7 @@ class Yamled
     it "contains global processing information when false" do
       stub_yaml!(Hash.new)
       loader = Kitchen::Loader::YAML.new(
-        :project_config => '/tmp/.kitchen.yml', :process_global => false)
+        :project_config => "/tmp/.kitchen.yml", :process_global => false)
 
       loader.diagnose[:process_global].must_equal false
     end
@@ -631,7 +631,7 @@ class Yamled
         before do
           FileUtils.mkdir_p(File.join(ENV["HOME"], ".kitchen"))
           File.open(File.join(ENV["HOME"], ".kitchen/config.yml"), "wb") do |f|
-            f.write '&*%^*'
+            f.write "&*%^*"
           end
         end
 
@@ -660,7 +660,7 @@ class Yamled
 
         before do
           File.open("/tmp/.kitchen.yml", "wb") do |f|
-            f.write '&*%^*'
+            f.write "&*%^*"
           end
         end
 
@@ -689,7 +689,7 @@ class Yamled
 
         before do
           File.open("/tmp/.kitchen.local.yml", "wb") do |f|
-            f.write '&*%^*'
+            f.write "&*%^*"
           end
         end
 
@@ -718,7 +718,7 @@ class Yamled
 
         before do
           File.open("/tmp/.kitchen.yml", "wb") do |f|
-            f.write '&*%^*'
+            f.write "&*%^*"
           end
         end
 
diff --git a/spec/kitchen/logger_spec.rb b/spec/kitchen/logger_spec.rb
index edc631730..1a25d55a4 100644
--- a/spec/kitchen/logger_spec.rb
+++ b/spec/kitchen/logger_spec.rb
@@ -254,7 +254,7 @@ def colorize(*args)
 
   describe "file IO logdev-based logger" do
 
-    let(:logfile) { Dir::Tmpname.make_tmpname(['kitchen', '.log'], nil) }
+    let(:logfile) { Dir::Tmpname.make_tmpname(%w[kitchen .log], nil) }
 
     before do
       opts[:logdev] = logfile
diff --git a/spec/kitchen/login_command_spec.rb b/spec/kitchen/login_command_spec.rb
index 3c3a878ae..1478735f4 100644
--- a/spec/kitchen/login_command_spec.rb
+++ b/spec/kitchen/login_command_spec.rb
@@ -16,9 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'kitchen/login_command'
+require "kitchen/login_command"
 
 describe Kitchen::LoginCommand do
 
diff --git a/spec/kitchen/metadata_chopper_spec.rb b/spec/kitchen/metadata_chopper_spec.rb
index 13075ef76..c8dddf13f 100644
--- a/spec/kitchen/metadata_chopper_spec.rb
+++ b/spec/kitchen/metadata_chopper_spec.rb
@@ -68,7 +68,7 @@
 
   def stub_metadata!(name = "foobar", version = "5.2.1")
     File.open("/tmp/metadata.rb", "wb") do |f|
-      f.write <<-METADATA_RB.gsub(/^ {8}/, '')
+      f.write <<-METADATA_RB.gsub(/^ {8}/, "")
         name             "#{name}"
         maintainer       "Michael Bluth"
         maintainer_email "michael@bluth.com"
diff --git a/spec/kitchen/platform_spec.rb b/spec/kitchen/platform_spec.rb
index 981497d7c..27ea709d2 100644
--- a/spec/kitchen/platform_spec.rb
+++ b/spec/kitchen/platform_spec.rb
@@ -16,14 +16,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'kitchen/errors'
-require 'kitchen/platform'
+require "kitchen/errors"
+require "kitchen/platform"
 
 describe Kitchen::Platform do
 
-  let(:opts) do; { :name => 'plata' }; end
+  let(:opts) do; { :name => "plata" }; end
   let(:platform) { Kitchen::Platform.new(opts) }
 
   it "raises an ArgumentError if name is missing" do
diff --git a/spec/kitchen/provisioner/base_spec.rb b/spec/kitchen/provisioner/base_spec.rb
index c39afa4b3..daae0c238 100644
--- a/spec/kitchen/provisioner/base_spec.rb
+++ b/spec/kitchen/provisioner/base_spec.rb
@@ -16,11 +16,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../../spec_helper'
-require 'logger'
-require 'stringio'
+require_relative "../../spec_helper"
+require "logger"
+require "stringio"
 
-require 'kitchen'
+require "kitchen"
 
 describe Kitchen::Provisioner::Base do
 
diff --git a/spec/kitchen/provisioner/chef_base_spec.rb b/spec/kitchen/provisioner/chef_base_spec.rb
index 1f4a0c6fd..93d9d5458 100644
--- a/spec/kitchen/provisioner/chef_base_spec.rb
+++ b/spec/kitchen/provisioner/chef_base_spec.rb
@@ -16,10 +16,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../../spec_helper'
+require_relative "../../spec_helper"
 
-require 'kitchen'
-require 'kitchen/provisioner/chef_base'
+require "kitchen"
+require "kitchen/provisioner/chef_base"
 
 describe Kitchen::Provisioner::ChefBase do
 
diff --git a/spec/kitchen/provisioner/chef_solo_spec.rb b/spec/kitchen/provisioner/chef_solo_spec.rb
index 95d66d97e..3792bb215 100644
--- a/spec/kitchen/provisioner/chef_solo_spec.rb
+++ b/spec/kitchen/provisioner/chef_solo_spec.rb
@@ -16,10 +16,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../../spec_helper'
+require_relative "../../spec_helper"
 
-require 'kitchen'
-require 'kitchen/provisioner/chef_solo'
+require "kitchen"
+require "kitchen/provisioner/chef_solo"
 
 describe Kitchen::Provisioner::ChefSolo do
 
diff --git a/spec/kitchen/provisioner/chef_zero_spec.rb b/spec/kitchen/provisioner/chef_zero_spec.rb
index 456c0a42d..0b4f0fd2e 100644
--- a/spec/kitchen/provisioner/chef_zero_spec.rb
+++ b/spec/kitchen/provisioner/chef_zero_spec.rb
@@ -16,10 +16,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../../spec_helper'
+require_relative "../../spec_helper"
 
-require 'kitchen'
-require 'kitchen/provisioner/chef_zero'
+require "kitchen"
+require "kitchen/provisioner/chef_zero"
 
 describe Kitchen::Provisioner::ChefZero do
 
diff --git a/spec/kitchen/provisioner/shell_spec.rb b/spec/kitchen/provisioner/shell_spec.rb
index 8181b2dff..5b86e54b3 100644
--- a/spec/kitchen/provisioner/shell_spec.rb
+++ b/spec/kitchen/provisioner/shell_spec.rb
@@ -16,10 +16,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../../spec_helper'
+require_relative "../../spec_helper"
 
-require 'kitchen'
-require 'kitchen/provisioner/shell'
+require "kitchen"
+require "kitchen/provisioner/shell"
 
 describe Kitchen::Provisioner::Shell do
 
diff --git a/spec/kitchen/provisioner_spec.rb b/spec/kitchen/provisioner_spec.rb
index 61c7989bd..4a8f18396 100644
--- a/spec/kitchen/provisioner_spec.rb
+++ b/spec/kitchen/provisioner_spec.rb
@@ -16,12 +16,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'kitchen/errors'
-require 'kitchen/logging'
-require 'kitchen/provisioner'
-require 'kitchen/provisioner/base'
+require "kitchen/errors"
+require "kitchen/logging"
+require "kitchen/provisioner"
+require "kitchen/provisioner/base"
 
 module Kitchen
 
@@ -63,7 +63,7 @@ class Coolbeans < Kitchen::Provisioner::Base
       # pretend require worked
       Kitchen::Provisioner.stubs(:require).returns(true)
 
-      proc { Kitchen::Provisioner.for_plugin('nope', {}) }.
+      proc { Kitchen::Provisioner.for_plugin("nope", {}) }.
         must_raise Kitchen::ClientError
     end
   end
diff --git a/spec/kitchen/state_file_spec.rb b/spec/kitchen/state_file_spec.rb
index c76f1270d..f3dcb1825 100644
--- a/spec/kitchen/state_file_spec.rb
+++ b/spec/kitchen/state_file_spec.rb
@@ -16,11 +16,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'kitchen/errors'
-require 'kitchen/state_file'
-require 'kitchen/util'
+require "kitchen/errors"
+require "kitchen/state_file"
+require "kitchen/util"
 
 class YamledState
   attr_accessor :yoinks
@@ -28,8 +28,8 @@ class YamledState
 
 describe Kitchen::StateFile do
 
-  let(:state_file)  { Kitchen::StateFile.new('/tmp', 'oftheunion') }
-  let(:file_name)   { '/tmp/.kitchen/oftheunion.yml' }
+  let(:state_file)  { Kitchen::StateFile.new("/tmp", "oftheunion") }
+  let(:file_name)   { "/tmp/.kitchen/oftheunion.yml" }
 
   before do
     FakeFS.activate!
@@ -52,23 +52,23 @@ class YamledState
 
       state_file.read.must_equal(
         :cloud_id => 42,
-        :flavor => 'extra_crispy'
+        :flavor => "extra_crispy"
       )
     end
 
     it "arbitrary objects aren't deserialized from state file" do
-      stub_state_file! <<-'YAML'.gsub(/^ {8}/, '')
+      stub_state_file! <<-'YAML'.gsub(/^ {8}/, "")
         --- !ruby/object:YamledState
         yoinks: zoinks
       YAML
 
       state_file.read.class.wont_equal YamledState
       state_file.read.class.must_equal Hash
-      state_file.read.must_equal(:yoinks => 'zoinks')
+      state_file.read.must_equal(:yoinks => "zoinks")
     end
 
     it "raises a StateFileLoadError if the state file cannot be parsed" do
-      stub_state_file!('&*%^*')
+      stub_state_file!("&*%^*")
 
       proc { state_file.read }.must_raise Kitchen::StateFileLoadError
     end
@@ -77,15 +77,15 @@ class YamledState
   describe "#write" do
 
     it "creates the directory path to the state file" do
-      File.directory?('/tmp/.kitchen').must_equal false
+      File.directory?("/tmp/.kitchen").must_equal false
       state_file.write({})
-      File.directory?('/tmp/.kitchen').must_equal true
+      File.directory?("/tmp/.kitchen").must_equal true
     end
 
     it "writes a state file with stringified keys" do
-      state_file.write(:thekey => 'thyself')
+      state_file.write(:thekey => "thyself")
 
-      IO.read(file_name).split("\n").must_include 'thekey: thyself'
+      IO.read(file_name).split("\n").must_include "thekey: thyself"
     end
   end
 
@@ -109,7 +109,7 @@ class YamledState
 
   def stub_state_file!(yaml_string = nil)
     if yaml_string.nil?
-      yaml_string = <<-'YAML'.gsub(/^ {8}/, '')
+      yaml_string = <<-'YAML'.gsub(/^ {8}/, "")
         ---
         cloud_id: 42
         flavor: extra_crispy
@@ -117,6 +117,6 @@ def stub_state_file!(yaml_string = nil)
     end
 
     FileUtils.mkdir_p(File.dirname(file_name))
-    File.open(file_name, 'wb') { |f| f.write(yaml_string) }
+    File.open(file_name, "wb") { |f| f.write(yaml_string) }
   end
 end
diff --git a/spec/kitchen/suite_spec.rb b/spec/kitchen/suite_spec.rb
index d1cc7e53c..589c5bb61 100644
--- a/spec/kitchen/suite_spec.rb
+++ b/spec/kitchen/suite_spec.rb
@@ -16,10 +16,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'kitchen/errors'
-require 'kitchen/suite'
+require "kitchen/errors"
+require "kitchen/suite"
 
 describe Kitchen::Suite do
 
diff --git a/spec/kitchen/util_spec.rb b/spec/kitchen/util_spec.rb
index a882d2154..35777660d 100644
--- a/spec/kitchen/util_spec.rb
+++ b/spec/kitchen/util_spec.rb
@@ -16,15 +16,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'logger'
+require "logger"
 
-require 'kitchen/util'
+require "kitchen/util"
 
 describe Kitchen::Util do
 
-  describe '.to_logger_level' do
+  describe ".to_logger_level" do
 
     it "returns nil for invalid symbols" do
       Kitchen::Util.to_logger_level(:nope).must_be_nil
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 497bbabcf..4fca24277 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -16,26 +16,26 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-gem 'minitest'
+gem "minitest"
 
 if ENV["COVERAGE"]
-  require 'simplecov'
-  SimpleCov.profiles.define 'gem' do
-    command_name 'Specs'
+  require "simplecov"
+  SimpleCov.profiles.define "gem" do
+    command_name "Specs"
 
-    add_filter '.gem/'
-    add_filter '/spec/'
-    add_filter '/lib/vendor/'
+    add_filter ".gem/"
+    add_filter "/spec/"
+    add_filter "/lib/vendor/"
 
-    add_group 'Libraries', '/lib/'
+    add_group "Libraries", "/lib/"
   end
-  SimpleCov.start 'gem'
+  SimpleCov.start "gem"
 end
 
-require 'fakefs/safe'
-require 'minitest/autorun'
-require 'mocha/setup'
-require 'tempfile'
+require "fakefs/safe"
+require "minitest/autorun"
+require "mocha/setup"
+require "tempfile"
 
 # Nasty hack to redefine IO.read in terms of File#read for fakefs
 class IO
diff --git a/support/chef-client-zero.rb b/support/chef-client-zero.rb
index fd46cf51e..5f4a25ac2 100755
--- a/support/chef-client-zero.rb
+++ b/support/chef-client-zero.rb
@@ -17,20 +17,20 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'rubygems'
-require 'chef/config'
-require 'chef_zero/server'
-require 'chef/chef_fs/chef_fs_data_store'
-require 'chef/chef_fs/config'
-require 'English'
-require 'fileutils'
+require "rubygems"
+require "chef/config"
+require "chef_zero/server"
+require "chef/chef_fs/chef_fs_data_store"
+require "chef/chef_fs/config"
+require "English"
+require "fileutils"
 
 # Bust out of our self-imposed sandbox before running chef-client so
 # gems installed via gem_package land in Chef's GEM_HOME.
 #
 # https://github.com/opscode/test-kitchen/issues/240
 #
-ENV['GEM_HOME'] = ENV['GEM_PATH'] = ENV['GEM_CACHE'] = nil
+ENV["GEM_HOME"] = ENV["GEM_PATH"] = ENV["GEM_CACHE"] = nil
 
 class ChefClientZero
 
@@ -65,7 +65,7 @@ def create_chef_zero_server
   end
 
   def repo_path
-    ENV.fetch('CHEF_REPO_PATH', Dir.pwd)
+    ENV.fetch("CHEF_REPO_PATH", Dir.pwd)
   end
 
   def run_chef_client
diff --git a/test-kitchen.gemspec b/test-kitchen.gemspec
index c0278b3bd..9362b07f2 100644
--- a/test-kitchen.gemspec
+++ b/test-kitchen.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |gem|
   gem.files         = `git ls-files`.split($INPUT_RECORD_SEPARATOR)
   gem.executables   = %w[kitchen]
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
-  gem.require_paths = ['lib']
+  gem.require_paths = ["lib"]
 
   gem.required_ruby_version = ">= 1.9.1"