dependencies:
  pre:
    - rvm install 2.1.10
    - rvm install 2.2.5
    - rvm install 2.3.1

  override:
    - 'rvm-exec 2.1.10 bundle install'
    - 'rvm-exec 2.2.5 bundle install'
    - 'rvm-exec 2.3.1 bundle install'

test:
  override:
    - 'rvm-exec 2.1.10 bundle exec rake'
    - 'rvm-exec 2.2.5 bundle exec rake'
    - 'rvm-exec 2.3.1 bundle exec rake'