implements test to simulate empty repo
implements test to simulate empty repo

dreampet/gitlab,htve/GitlabForChinese,dplarson/gitlabhq,htve/GitlabForChinese,shinexiao/gitlabhq,daiyu/gitlab-zh,dwrensha/gitlabhq,screenpages/gitlabhq,dplarson/gitlabhq,LUMC/gitlabhq,larryli/gitlabhq,dwrensha/gitlabhq,SVArago/gitlabhq,openwide-java/gitlabhq,allysonbarros/gitlabhq,darkrasid/gitlabhq,screenpages/gitlabhq,martijnvermaat/gitlabhq,Soullivaneuh/gitlabhq,iiet/iiet-git,dwrensha/gitlabhq,LUMC/gitlabhq,axilleas/gitlabhq,mmkassem/gitlabhq,dplarson/gitlabhq,t-zuehlsdorff/gitlabhq,t-zuehlsdorff/gitlabhq,htve/GitlabForChinese,mr-dxdy/gitlabhq,stoplightio/gitlabhq,larryli/gitlabhq,darkrasid/gitlabhq,darkrasid/gitlabhq,dreampet/gitlab,LUMC/gitlabhq,jirutka/gitlabhq,daiyu/gitlab-zh,Soullivaneuh/gitlabhq,larryli/gitlabhq,larryli/gitlabhq,martijnvermaat/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,t-zuehlsdorff/gitlabhq,jirutka/gitlabhq,mr-dxdy/gitlabhq,ttasanen/gitlabhq,icedwater/gitlabhq,shinexiao/gitlabhq,iiet/iiet-git,dreampet/gitlab,stoplightio/gitlabhq,screenpages/gitlabhq,ttasanen/gitlabhq,icedwater/gitlabhq,openwide-java/gitlabhq,allysonbarros/gitlabhq,allysonbarros/gitlabhq,Soullivaneuh/gitlabhq,axilleas/gitlabhq,iiet/iiet-git,SVArago/gitlabhq,mmkassem/gitlabhq,icedwater/gitlabhq,shinexiao/gitlabhq,screenpages/gitlabhq,dplarson/gitlabhq,ttasanen/gitlabhq,SVArago/gitlabhq,iiet/iiet-git,axilleas/gitlabhq,martijnvermaat/gitlabhq,jirutka/gitlabhq,shinexiao/gitlabhq,openwide-java/gitlabhq,SVArago/gitlabhq,daiyu/gitlab-zh,axilleas/gitlabhq,mr-dxdy/gitlabhq,dreampet/gitlab,daiyu/gitlab-zh,stoplightio/gitlabhq,htve/GitlabForChinese,mmkassem/gitlabhq,allysonbarros/gitlabhq,dwrensha/gitlabhq,icedwater/gitlabhq,martijnvermaat/gitlabhq,openwide-java/gitlabhq,Soullivaneuh/gitlabhq,jirutka/gitlabhq,LUMC/gitlabhq,t-zuehlsdorff/gitlabhq,darkrasid/gitlabhq,mr-dxdy/gitlabhq,ttasanen/gitlabhq