Add test for play/pause/stop
Add test for play/pause/stop

ZLima12/osu-framework,peppy/osu-framework,ppy/osu-framework,ppy/osu-framework,ZLima12/osu-framework,smoogipooo/osu-framework,ppy/osu-framework,peppy/osu-framework,smoogipooo/osu-framework,peppy/osu-framework