sudo: false
language: ruby
rvm:
  - 2.2
  - 2.3.1
  - 2.3.5
  - 2.4.0
  - 2.4.1
  - 2.4.2
  - 2.5
script:
  - bundle exec rake test:coveralls
before_install: gem install bundler -v 1.14.6