language: ruby
rvm:
    - 2.3
    - 2.2
    - 2.1
    - 2.0
    - 1.9

script:
    ruby ./tests/all.rb

language: ruby
rvm:
    - 2.3.0
    - 2.2
    - 2.1
    - 2.0
    - 1.9

script:
    ruby ./tests/all.rb

Add 2.3.0 to ensure everything is working
Add 2.3.0 to ensure everything is working

Travis doesn't want to match 2.3 :/