rvm:
  - 2.1.10
  - 2.2.8
  - 2.3.5
  - 2.4.2
  - rbx-3
  - ruby-head

cache: bundler

bundler_args: --without dev --jobs=3

script: bundle exec rspec spec

rvm:
  - jruby-9.1.14.0
  - jruby-head
  - 2.1.10
  - 2.2.8
  - 2.3.5
  - 2.4.2

cache: bundler

bundler_args: --without dev --jobs=3

script: bundle exec rspec spec

Test the same Ruby interpreters as RuboCop.
Test the same Ruby interpreters as RuboCop.

https://github.com/bbatsov/rubocop/blob/4a0d6361d0065ca16ba19bdf3b3d6c4623e14adc/.travis.yml#L6-L12
https://github.com/lovewithfood/rubocop-rspec-focused/pull/7#issuecomment-347323975
