def test_SRVLookupName(self):
        """
        The lookup name is a native string from service, protocol and domain.
        """
        client.theResolver.results = []
        self.connector.connect()

        name = client.theResolver.lookups[-1][0]
        self.assertEqual(nativeString('_xmpp-server._tcp.example.org'), name)

        The lookup name is a native string from service, protocol and domain.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/names/test/test_srvconnect.py