Use ENV['NOBENCHMARK'] instead of ENV['BENCHMARK']

Author: aycabta

.travis.yml

@@ -16,6 +16,9 @@ rvm:
   - rbx-2
   - jruby-1.7.25
   - jruby-9.1.0.0
+env:
+  global:
+    NOBENCHMARK=1
 script: rake
 matrix:
   allow_failures:

Rakefile

@@ -3,8 +3,6 @@ require 'rdoc/task'
 require 'bundler/gem_tasks'
 require 'rake/testtask'
 
-ENV['BENCHMARK'] = 'yes'
-
 task :docs    => :generate
 task :test    => :generate
 

appveyor.yml

@@ -8,6 +8,7 @@ test_script:
   - rake
 deploy: off
 environment:
+  NOBENCHMARK: 1
   matrix:
     - ruby_version: "193"
     - ruby_version: "200"

lib/rdoc/test_case.rb

@@ -6,7 +6,7 @@
 end
 
 require 'minitest/autorun'
-require 'minitest/benchmark' if ENV['BENCHMARK']
+require 'minitest/benchmark' unless ENV['NOBENCHMARK']
 
 require 'fileutils'
 require 'pp'