Fix up TestCaseTaikoPlayfield.
Fix up TestCaseTaikoPlayfield.

Damnae/osu,ppy/osu,ppy/osu,UselessToucan/osu,ZLima12/osu,NeoAdonis/osu,naoey/osu,peppy/osu,smoogipoo/osu,naoey/osu,UselessToucan/osu,EVAST9919/osu,ZLima12/osu,Frontear/osuKyzer,johnneijzen/osu,2yangk23/osu,smoogipooo/osu,peppy/osu-new,Drezi126/osu,DrabWeb/osu,DrabWeb/osu,UselessToucan/osu,smoogipoo/osu,smoogipoo/osu,naoey/osu,peppy/osu,EVAST9919/osu,peppy/osu,NeoAdonis/osu,ppy/osu,johnneijzen/osu,DrabWeb/osu,Nabile-Rahmani/osu,2yangk23/osu,NeoAdonis/osu