tests for `get_or_create`
tests for `get_or_create`

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