Well
I'm not giving you a bad score because it's bad or anything. It looks interesting but testing stuff on newgrounds doesn't usually go to well with people here.
The flying works pretty well and I was able to fly around and all but there's not much else to do after that. I guess you haven't made it so that the pegasus pony can land on the ground. Overall pretty good for being a "test".
About testing: this would be best on another site so you wouldn't have to expose spoilers for your game here on newgrounds or you could have done the testing yourself. A much better solution than the test would have been to make a trailer about this upcoming game of some sort.
Also, lol at rage below (despite some good points).
Probable finished product could be 9 or a 10.
As it is, probably a 3-5/10 but I'll give a 5 just to be nice.