Описание тега protractor
Protractor is an end-to-end test framework for Angular and AngularJS applications built on top of WebDriverJs.
Protractor can be run as a standalone binary runner or included in your tests as a library. Use Protractor as a library if you would like to manage WebDriver and your test setup yourself.
Find more on http://www.protractortest.org/#/ and https://github.com/angular/protractor/
Protractor is an end-to-end test framework for 
angular and angularjs applications built on top of selenium-webdriver.
Protractor can be run as a standalone binary runner, or included into tests as a library.