language: ruby
rvm:
  - "1.9.3"
  - "2.0.0"
  - "2.1.0"
script: TRAVIS=true bundle exec rake spec

language: ruby
rvm:
  - "2.1.10"
  - "2.2.6"
  - "2.3.2"
script: TRAVIS=true bundle exec rake spec

Build against newer Ruby versions
Build against newer Ruby versions
