Hyperlink e2e tests based on Protractor.
To run locally
$ npm install -g protractor
$ webdriver-manager start
$ protractor conf/protractor.conf.js
To run on SauceLab:
$ SAUCE_USERNAME=<username> SAUCE_ACCESS_KEY=<access_key> protractor conf/protractor-sourcelab.conf.js
Install the SafariDriver extension manually from https://github.com/SeleniumHQ/selenium/tree/master/javascript/safari-driver/prebuilt