参考 Rails3.2.8で自動テスト環境を整える〜cucumber+spork+guard Ruby2.0.0とRails4をためしてみた 環境 ubuntu server 12.04.1 & ruby 2.0.0p0 & rails 4.0.0beta1 group :test do gem 'spring' gem 'rb-inotify', '~> 0.9' gem 'rspec-rails' gem 'cucumber-rails', require: false gem 'database_cleaner', github: 'bmabey/database_cleaner' gem 'factory_girl_rails' gem 'guard' gem 'guard-rspec' gem 'guard-cucumber' end