language: ruby
rvm:
  - 2.2.3
  - 2.2.4
  - 2.2.5
  - 2.3.0
  - 2.3.1
cache:
  directories:
    - spec/dummy/node_modules

language: ruby
rvm:
  - 2.2.3
  - 2.2.4
  - 2.2.5
  - 2.3.0
  - 2.3.1
cache:
  bundler: true
  directories:
    - spec/dummy/node_modules

Add bundler cache for Travis
Add bundler cache for Travis
