sudo: required dist: trusty addons: apt: sources: - google-chrome packages: - google-chrome-stable language: node_js node_js: - "node" before_script: - "export DISPLAY=:99.0" - "sh -e /etc/init.d/xvfb start" - sleep 3 # give xvfb some time to start - npm install grunt-cli -g - npm install - node_modules/protractor/bin/webdriver-manager update