'The L(_EDNSMessage.toStr} encodes the extended I{RCODE} (>=16) by
assigning the lower 4bits to the message RCODE field and the upper 4bits
to the OPT pseudo record.'

def test_extendedRcodeEncode(self):

    self.assertEqual(self.messageFactory(**MessageEDNSExtendedRCODE.kwargs()).toStr(), MessageEDNSExtendedRCODE.bytes())
