Add failing test coverage of zero length repeating delegates with delay
Add failing test coverage of zero length repeating delegates with delay

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