Rephrase paragraph about e2e tests in merge requests in docs
Rephrase paragraph about e2e tests in merge requests in docs

mmkassem/gitlabhq,jirutka/gitlabhq,axilleas/gitlabhq,axilleas/gitlabhq,stoplightio/gitlabhq,dreampet/gitlab,axilleas/gitlabhq,mmkassem/gitlabhq,mmkassem/gitlabhq,dreampet/gitlab,jirutka/gitlabhq,iiet/iiet-git,mmkassem/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,iiet/iiet-git,iiet/iiet-git,dreampet/gitlab,axilleas/gitlabhq,stoplightio/gitlabhq,jirutka/gitlabhq,stoplightio/gitlabhq,jirutka/gitlabhq,dreampet/gitlab