node_js:
- "4"
- "6"
sudo: false
language: node_js
script: "npm run test"
addons:
  apt:
    packages:
      - xvfb
install:
  - export DISPLAY=':99.0'
  - Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
  - npm install