language: ruby
before_install:
  - "export DISPLAY=:99.0"
  - "sh -e /etc/init.d/xvfb start"
env:
  - "RAILS_VERSION=5.0.6"
  - "RAILS_VERSION=5.1.5"
rvm:
  - 2.3.6
  - 2.4.3
  - 2.5.0