def test_unfilteredQuery(self):
        """
        Similar to L{test_filteredQuery}, but for the case where a false value
        is passed for the C{filter} parameter.  In this case, the result is a
        L{Message} instance.
        """
        message = self._queryTest(False)
        self.assertIsInstance(message, Message)
        self.assertEqual(message.queries, [])
        self.assertEqual(
            message.answers,
            [RRHeader(b'foo.example.com', payload=Record_A('5.8.13.21', ttl=0))])
        self.assertEqual(message.authority, [])
        self.assertEqual(message.additional, [])

        Similar to L{test_filteredQuery}, but for the case where a false value
        is passed for the C{filter} parameter.  In this case, the result is a
        L{Message} instance.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/names/test/test_rootresolve.py