When your testing a quest in the foundry I think it always gives you the max exp when completing it. But after publishing I think it goes on the average play time.
It wont show up at zero views. When you go to the foundry select your quest and copy the code it will look like this code from one of mine. NW-DUNZNKWPI Get your friends to play it or post it here. I will review it if you return the favor!