- pool event tests that don't depend on deprecated listener system, attempting "test just one thing" style - reorganize fixtures to come primarily from the base test class
- pool event tests that don't depend on deprecated listener system,
attempting "test just one thing" style
- reorganize fixtures to come primarily from the base test class

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