sudo: false
language: ruby
rvm:
  - 2.3.6
  - 2.4.3
  - 2.5.0
gemfile:
  - gemfiles/activerecord_4.2.gemfile
  - gemfiles/activerecord_5.0.gemfile
  - gemfiles/activerecord_5.1.gemfile
before_install: gem install bundler -v 1.14.6
script:
  - bundle exec rake spec