fix travis tests;

Author: Andrew N Golovkov

.gemfile

@@ -1,6 +1,6 @@
-source 'https://rubygems.org'
+source :rubygems
 
-puppetversion = ENV.key?('PUPPET_VERSION') ? "= #{ENV['PUPPET_VERSION']}" : ['>= 2.7']
-gem 'puppet', puppetversion
+puppetversion = ENV['PUPPET_VERSION']
+gem 'puppet', puppetversion, :require => false
+gem 'puppet-lint'
 gem 'puppetlabs_spec_helper', '>= 0.1.0'
-

.travis.yml

@@ -8,7 +8,10 @@ env:
   - PUPPET_VERSION="~> 2.6.0"
   - PUPPET_VERSION="~> 2.7.0"
   - PUPPET_VERSION="~> 3.0.0"
+  - PUPPET_VERSION="~> 3.1.0"
+  - PUPPET_VERSION="~> 3.2.0"
   - PUPPET_VERSION="~> 3.3.0"
+  - PUPPET_VERSION="~> 3.4.0"
 matrix:
   exclude:
     - rvm: 1.9.3