def METHOD_NAME(self, columns, lines):
    """Run all tests on the result set of a streamer."""
    # The first line is the column line.
    self.assertEqual(len(lines), 5)
    column_set = set(columns)
    correct_set = set(
        [
            "message",
            "timestamp_desc",
            "datetime",
            "timestamp",
            "vital_stats",
            "random_number",
            "correct",
            "stuff",
        ]
    )
    self.assertSetEqual(column_set, correct_set)
    messages = [x.get("message", "N/A") for x in lines]
    message_correct = set(
        [
            "fra sjalfstaedi til sjalfstaedis -> True [52]",
            "from bar to foobar -> False [13245]",
            "sidasti sens ad kaupa gjof -> True [5231134324]",
            "stordagur -> True [59913]",
            "hraeda hraedur -> True [420]",
        ]
    )
    self.assertSetEqual(set(messages), message_correct)