Sorry for being nitpicky.  :(  Maybe something like "The correct request is made to Bobby to create a policy, and the response is callbacked if the response code is 201"?  Mainly it'd be nice if someone just reading through test case docstrings can tell what kind of coverage we have.  :)  Similarly for other docstrings.

It might also be good to test for the negative case (that these functions errback if the response is not a 201)