language: ruby

rvm:
  - 2.2

branches:
  only:
    - master

script: bundle exec rake spec

before_install:
 - gem update bundler

language: ruby

rvm:
  - 2.2
  - 2.3

branches:
  only:
    - master

script: bundle exec rake spec

before_install:
 - gem update bundler

Add Ruby2.3 to Travis CI target
Add Ruby2.3 to Travis CI target
