def get_last_tid(self):
        try:
            spec = {'tid': {'$gt': 0}}
            sort = [('tid', -1)]
            row = self.db.docs.find_one(spec, sort=sort)
        except Exception as e:
            raise DatabaseException(e)
        if row:
            return row['tid']
        return 0
def test_dummy_response():
    from rasa.nlu.emulators.no_emulator import NoEmulator

    em = NoEmulator()
    data = {"intent": "greet", "text": "hi", "entities": {}, "confidence": 1.0}
    assert em.normalise_response_json(data) == data