language: ruby
rvm:
  - 2.0.0
  - 2.1.0
  - 2.1.1
  - 2.1.2
  - 2.1.3
  - 2.1.4
  - 2.1.5
  - 2.1.6
  - 2.1.7
  - 2.1.8
  - 2.2.0
  - 2.2.1
  - 2.2.2
  - 2.2.3
  - 2.2.4
  - 2.3.0
  - ruby-head

language: ruby
before_install:
  - gem update bundler
rvm:
  - 2.0.0
  - 2.1.0
  - 2.1.1
  - 2.1.2
  - 2.1.3
  - 2.1.4
  - 2.1.5
  - 2.1.6
  - 2.1.7
  - 2.1.8
  - 2.2.0
  - 2.2.1
  - 2.2.2
  - 2.2.3
  - 2.2.4
  - 2.3.0
  - ruby-head

Use newer bundler as default version will occur unexpected errors
Use newer bundler as default version will occur unexpected errors
