language: ruby
script: "bundle exec rspec spec"
rvm:
  - 2.2.9
  - 2.3.6
  - 2.4.3
  - 2.5.0

language: ruby
script: "bundle exec rspec spec"
rvm:
  - 2.3.8
  - 2.4.6
  - 2.5.5
  - 2.6.3

Test against latest ruby versions.
Test against latest ruby versions.

Added 2.6.

https://www.ruby-lang.org/en/downloads/
