Travis CI config for testing Polymer Elements

.travis.yml

language: node_js
sudo: required
before_script:
  # @next might not be needed in the future since polymer-cli should have
  # been updated
  - npm install -g bower polymer-cli@next
  # Chrome 58 has a WebComponent bug
  - sudo mv /usr/bin/google-chrome /usr/bin/google-chrome-old
  - sudo mv /usr/bin/google-chrome-beta /usr/bin/google-chrome
node_js: stable
addons:
  firefox: latest
  apt:
    sources:
      - google-chrome
    packages:
      - google-chrome-beta
script:
  - npm install
  - bower install
  - xvfb-run polymer test
  # Remove following line if you don't want code linting
  - polymer lint
dist: trusty