def remove(self, elem):
        """Remove a requirement.

        :param elem: a string or :class:`Requirement` instance.
        """
        if isinstance(elem, text_type):
            for requirement in self:
                if requirement.package == elem:
                    return super(Requirements, self).remove(requirement)
        return super(Requirements, self).remove(elem)
def test_dummy_request():
    from rasa.nlu.emulators.no_emulator import NoEmulator

    em = NoEmulator()
    norm = em.normalise_request_json({"text": ["arb text"]})
    assert norm == {"text": "arb text", "time": None}

    norm = em.normalise_request_json({"text": ["arb text"], "time": "1499279161658"})
    assert norm == {"text": "arb text", "time": "1499279161658"}