Gemfile in mutations-0.5.12 vs Gemfile in mutations-0.6.0

@@ -1,5 +1,8 @@
 source 'http://rubygems.org'
 gemspec
 
-gem 'minitest', '~> 4.0'
-gem 'activesupport'
+gem 'activesupport'
+
+group :test do
+  gem 'minitest', '~> 4.0'
+end
\ No newline at end of file