def METHOD_NAME(self):
    """verify that caching the propery works to limit queries"""
    with check_mongo_calls(2):
        # these statements are used entirely to demonstrate the
        # instance-level caching of these values on CCX objects. The
        # check_mongo_calls context is the point here.
        self.ccx.course  # pylint: disable=pointless-statement
    with check_mongo_calls(0):
        self.ccx.course  # pylint: disable=pointless-statement