language: ruby
sudo: false
matrix:
  fast_finish: true
  include:
    - rvm: 2.0
    - rvm: 2.1
    - rvm: 2.2
    - rvm: jruby-head
  allow_failures:
    - rvm: jruby-head

notifications:
  email: false

language: ruby
sudo: false
matrix:
  fast_finish: true
  include:
    - rvm: 2.0
    - rvm: 2.1
    - rvm: 2.2
    - rvm: 2.3
    - rvm: jruby-head
  allow_failures:
    - rvm: jruby-head

notifications:
  email: false

Add ruby2.3 to test matrix
Add ruby2.3 to test matrix