test fix, [ticket:1595]
test fix, [ticket:1595]

robin900/sqlalchemy,wujuguang/sqlalchemy,EvaSDK/sqlalchemy,brianv0/sqlalchemy,Akrog/sqlalchemy,olemis/sqlalchemy,sandan/sqlalchemy,inspirehep/sqlalchemy,itkovian/sqlalchemy,Cito/sqlalchemy,halfcrazy/sqlalchemy,pdufour/sqlalchemy,davidfraser/sqlalchemy,davidjb/sqlalchemy,Cito/sqlalchemy,graingert/sqlalchemy,alex/sqlalchemy,dstufft/sqlalchemy,wujuguang/sqlalchemy,j5int/sqlalchemy,bootandy/sqlalchemy,Cito/sqlalchemy,bootandy/sqlalchemy,zzzeek/sqlalchemy,276361270/sqlalchemy,hsum/sqlalchemy,pdufour/sqlalchemy,wfxiang08/sqlalchemy,epa/sqlalchemy,epa/sqlalchemy,davidfraser/sqlalchemy,hsum/sqlalchemy,Akrog/sqlalchemy,j5int/sqlalchemy,ThiefMaster/sqlalchemy,monetate/sqlalchemy,WinterNis/sqlalchemy,elelianghh/sqlalchemy,brianv0/sqlalchemy,276361270/sqlalchemy,sandan/sqlalchemy,bdupharm/sqlalchemy,dstufft/sqlalchemy,alex/sqlalchemy,davidjb/sqlalchemy,WinterNis/sqlalchemy,monetate/sqlalchemy,bdupharm/sqlalchemy,graingert/sqlalchemy,alex/sqlalchemy,sqlalchemy/sqlalchemy,elelianghh/sqlalchemy,olemis/sqlalchemy,EvaSDK/sqlalchemy,inspirehep/sqlalchemy,ThiefMaster/sqlalchemy,wfxiang08/sqlalchemy,halfcrazy/sqlalchemy,itkovian/sqlalchemy,robin900/sqlalchemy