language: ruby
cache: bundler
sudo: false
rvm:
  - 2.3.0
  - 2.4.0
  - 2.5.0
  - 2.6.0
script: bundle exec rake

language: ruby
cache: bundler
sudo: false
rvm:
  - 2.3.0
  - 2.4.0
  - 2.5.0
  - 2.6.0
script: bundle exec rake
before_install:
  - yes | gem update --system --force
  - gem install bundler

Fix an issue with Bundler 2.0 and Travis
Fix an issue with Bundler 2.0 and Travis

https://docs.travis-ci.com/user/languages/ruby/
