Update docs on running frontend tests
Update docs on running frontend tests

stoplightio/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,iiet/iiet-git,mmkassem/gitlabhq,iiet/iiet-git,mmkassem/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,stoplightio/gitlabhq,iiet/iiet-git