def METHOD_NAME(self):
    poly = Poly1305(bytearray(
        b'\x85\xd6\xbe\x78\x57\x55\x6d\x33\x7f\x44\x52\xfe\x42\xd5\x06\xa8'
        b'\x01\x03\x80\x8a\xfb\x0d\xb2\xfd\x4a\xbf\xf6\xaf\x41\x49\xf5\x1b'
        ))
    message = bytearray(b'Cryptographic Forum Research Group')
    tag = poly.create_tag(message)
    self.assertEqual(tag, bytearray(
        b'\xa8\x06\x1d\xc1\x30\x51\x36\xc6\xc2\x2b\x8b\xaf\x0c\x01\x27\xa9'
        ))