Improve MetricGroup test
Improve MetricGroup test

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