Beefing up the self-join tests
Beefing up the self-join tests

wenxer/peewee,jnovinger/peewee,fuzeman/peewee,Sunzhifeng/peewee,mackjoner/peewee,coreos/peewee,py4a/peewee,ghukill/peewee,zhang625272514/peewee,zhang625272514/peewee,jnovinger/peewee,new-xiaji/peewee,d1hotpep/peewee,new-xiaji/peewee,jarrahwu/peewee,bopo/peewee,Dipsomaniac/peewee,coleifer/peewee,fuzeman/peewee,Sunzhifeng/peewee,coreos/peewee,jarrahwu/peewee,coleifer/peewee,teserak/peewee,coreos/peewee,coleifer/peewee,wenxer/peewee,new-xiaji/peewee,ronyb29/peewee,jarrahwu/peewee,bopo/peewee,softside/peewee,zhang625272514/peewee,bopo/peewee,d1hotpep/peewee,lez/peewee,Dipsomaniac/peewee,Sunzhifeng/peewee,stas/peewee,Dipsomaniac/peewee