'Tests any_unfulfilled_milestones for invalid arguments with the app enabled.'

@patch.dict(settings.FEATURES, {'MILESTONES_APP': True})
def test_any_unfulfilled_milestones(self):

    milestones_helpers.any_unfulfilled_milestones(self.course.id, self.user['id'])
    with self.assertRaises(InvalidCourseKeyException):
        milestones_helpers.any_unfulfilled_milestones(None, self.user['id'])
    with self.assertRaises(InvalidUserException):
        milestones_helpers.any_unfulfilled_milestones(self.course.id, None)
