language: ruby rvm: - 2.6.1 gemfile: - gemfiles/Gemfile.rails-3.2.x - gemfiles/Gemfile.rails-4.0.x - gemfiles/Gemfile.rails-4.1.x - gemfiles/Gemfile.rails-5.1.x - gemfiles/Gemfile.rails-6.1.x script: bundle exec rspec spec