Add very simple stacking test
Add very simple stacking test

UselessToucan/osu,NeoAdonis/osu,NeoAdonis/osu,naoey/osu,NeoAdonis/osu,smoogipoo/osu,peppy/osu-new,peppy/osu,DrabWeb/osu,smoogipooo/osu,smoogipoo/osu,ZLima12/osu,ppy/osu,naoey/osu,2yangk23/osu,naoey/osu,DrabWeb/osu,johnneijzen/osu,ZLima12/osu,peppy/osu,UselessToucan/osu,johnneijzen/osu,smoogipoo/osu,UselessToucan/osu,2yangk23/osu,EVAST9919/osu,ppy/osu,ppy/osu,EVAST9919/osu,DrabWeb/osu,peppy/osu