language: ruby
rvm:
 - 2.1.10
 - 2.2.7
 - 2.3.4
 - 2.4.1
 - 2.5.1
script: bundle exec rake

language: ruby
rvm:
 - 2.1.10
 - 2.2.7
 - 2.3.4
 - 2.4.1
 - 2.5.5
 - 2.6.3
script: bundle exec rake

Add Ruby 2.6 to Travis tests
Add Ruby 2.6 to Travis tests
