sudo: true
dist: trusty
language: node_js
node_js:
- '6'
before_script:
- npm install -g bower
- yarn
- bower install
script: gulp test
cache:
 directories:
 - node_modules
addons:
  firefox: latest
  apt:
    sources:
      - google-chrome
    packages:
      - google-chrome-stable

sudo: true
dist: trusty
language: node_js
node_js:
  - '6'
before_script:
  - npm install -g bower web-component-tester
  - yarn
  - bower install
  - gulp build:tests
script: xvfb-run wct 
cache:
 directories:
   - node_modules
addons:
  firefox: latest
  apt:
    sources:
      - google-chrome
    packages:
      - google-chrome-stable

Use xvfb / global wct
Use xvfb / global wct
