def METHOD_NAME(self) -> None:
    """
    Test that parsing leaves overflow bytes in the buffer.
    """
    parser = _v1parser.V1Parser()
    info, remaining = parser.feed(
        b"PROXY TCP4 127.0.0.1 127.0.0.1 8080 8888\r\nHTTP/1.1 GET /\r\n",
    )
    self.assertTrue(info)
    self.assertEqual(remaining, b"HTTP/1.1 GET /\r\n")
    self.assertFalse(parser.buffer)