Remove instance vars from key model tests
Remove instance vars from key model tests

jirutka/gitlabhq,iiet/iiet-git,htve/GitlabForChinese,openwide-java/gitlabhq,stoplightio/gitlabhq,dplarson/gitlabhq,iiet/iiet-git,LUMC/gitlabhq,dreampet/gitlab,iiet/iiet-git,mmkassem/gitlabhq,daiyu/gitlab-zh,stoplightio/gitlabhq,mmkassem/gitlabhq,LUMC/gitlabhq,jirutka/gitlabhq,jirutka/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,axilleas/gitlabhq,darkrasid/gitlabhq,axilleas/gitlabhq,daiyu/gitlab-zh,LUMC/gitlabhq,t-zuehlsdorff/gitlabhq,mmkassem/gitlabhq,openwide-java/gitlabhq,openwide-java/gitlabhq,LUMC/gitlabhq,t-zuehlsdorff/gitlabhq,axilleas/gitlabhq,iiet/iiet-git,darkrasid/gitlabhq,darkrasid/gitlabhq,jirutka/gitlabhq,dreampet/gitlab,t-zuehlsdorff/gitlabhq,daiyu/gitlab-zh,axilleas/gitlabhq,dplarson/gitlabhq,stoplightio/gitlabhq,t-zuehlsdorff/gitlabhq,openwide-java/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,htve/GitlabForChinese,htve/GitlabForChinese,darkrasid/gitlabhq,dplarson/gitlabhq,daiyu/gitlab-zh,dplarson/gitlabhq,htve/GitlabForChinese