def test_add_already_added(self):
        prio_set_list = event._PrioritizedSetList()
        obj = object()
        prio_set_list.add(0, obj)

        with pytest.raises(ValueError) as excinfo:
            prio_set_list.add(0, obj)
        excinfo.match(r"has already been added")

        with pytest.raises(ValueError) as excinfo:
            prio_set_list.add(1, obj)
        excinfo.match(r"has already been added")
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