language: ruby
rvm:
  - 2.1.0

language: ruby
rvm:
  - 2.1.0
  - 2.2.10
  - 2.3.8
  - 2.4.5
  - 2.5.3
  - 2.6.0

Add Ruby 2.2.10, 2.3.8, 2.4.5, 2.5.3 2.6.0 support in CI
Add Ruby 2.2.10, 2.3.8, 2.4.5, 2.5.3 2.6.0 support in CI
