Fix hurts the boss

This modifies the failing tests under "Hurts the boss"

* Quest is empty test failed because quest = null which Mongoose was wrapping.  An explicit get fixes the issue with the test.
* The Mantis Pet test should be looking for 5 not true
* Tests on the Group members fail because _group.members is an array of ids not user objects. Fixed by retrieving each and running tests.

UserID: 7941e218-7b6e-42b7-989d-8b040c65aa17
as these are async ops, you may need to `async.parallel` them, using `cb2` as the final callback