def test_lookup(self):
        assert event.Priority.lookup(event.Priority.CORE) is event.Priority.CORE
        assert event.Priority.lookup(event.Priority.CORE.value) is event.Priority.CORE
        assert event.Priority.lookup(-12312412) == -12312412
def is_resource_deleted(self, id):
        try:
            self.get_snapshot(id)
        except exceptions.NotFound:
            return True
        return False