def METHOD_NAME(self):
    start = 8
    end = 15
    hex_value = "9a7d9a7d"
    msg_type = MessageType("autotest")
    msg_type.ruleset = Ruleset(Mode.all_apply, [Rule(start, end, "=", hex_value, 1)])
    msg_type.assigned_by_ruleset = True
    self.protocol.message_types.append(msg_type)
    self.protocol.update_auto_message_types()
    matching_indices = [0, 2, 3, 21, 23, 24]
    for i, message in enumerate(self.protocol.messages):
        if i in matching_indices:
            self.assertEqual(message.message_type, msg_type, msg=str(i))
        else:
            self.assertEqual(message.message_type, self.protocol.default_message_type, msg=str(i))