chore(mocha): refactor to use `selenium-webdriver`'s mocha adapters (#4013)
chore(mocha): refactor to use `selenium-webdriver`'s mocha adapters (#4013)

Closes https://github.com/angular/protractor/issues/3985
mgiambalvo/protractor,onshape/protractor,igniteram/protractor,mgiambalvo/protractor,sirwalt/protractor,jcapozzi/protractor,sirwalt/protractor,jcapozzi/protractor,NickTomlin/protractor,igniteram/protractor,xaka/protractor,cnishina/protractor,NickTomlin/protractor,onshape/protractor,jcapozzi/protractor,sirwalt/protractor,angular/protractor,sirwalt/protractor,mgiambalvo/protractor,xaka/protractor,xaka/protractor,onshape/protractor,angular/protractor,angular/protractor,onshape/protractor,marleitao/protractor,cnishina/protractor,igniteram/protractor,cnishina/protractor,jcapozzi/protractor,xaka/protractor,NickTomlin/protractor,marleitao/protractor,marleitao/protractor,igniteram/protractor,mgiambalvo/protractor,cnishina/protractor,angular/protractor,NickTomlin/protractor,marleitao/protractor