Fix nullref in tests
Fix nullref in tests

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