language: node_js
dist: trusty
sudo: required
addons:
  firefox: "latest"
  apt:
    sources:
      - google-chrome
    packages:
      - google-chrome-stable
node_js: stable
before_install:
  - npm install -g web-component-tester
install:
  - npm install
before_script:
script:
  - xvfb-run npm run test