Document Promise testing best practice (!11284)
Document Promise testing best practice (!11284)

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