gem 'bundler', '>= 0', group: %i(development)
gem 'rake', '>= 0', group: %i(development)
gem 'test-unit', '>= 0', group: %i(development)
gem 'test-unit-rr', '>= 0', group: %i(development)
gem 'rr', '~> 3.1.0'
