IRequestFeedback Unit Test

[dunity]

Having a few core unit tests around the feedback system would be helpful. I've run into an issue, in which tools are adding more feedback requests than they are removing. This results in these elements implementing "IFeedbackReceiver" having a growing, or out of sync, collection of feedback requests. A test coupled to the "IRequestFeedback" interface would allow this to be pointed out automatically if/when it occurs.

[stella3d]

agreed. i'll prioritize + implement this with you.