def test_contains(self):
        prio_set_list = event._PrioritizedSetList()
        obj = object()

        prio_set_list.add(0, obj)
        assert obj in prio_set_list
def is_resource_deleted(self, id):
        try:
            self.get_snapshot(id)
        except exceptions.NotFound:
            return True
        return False