def test_minfo(self):
        """
        The repr of a L{dns.Record_MINFO} instance includes the rmailbx,
        emailbx, and TTL fields of the record.
        """
        record = dns.Record_MINFO(
            b'alice.example.com', b'bob.example.com', 15)
        self.assertEqual(
            repr(record),
            "<MINFO responsibility=alice.example.com "
            "errors=bob.example.com ttl=15>")

        The repr of a L{dns.Record_MINFO} instance includes the rmailbx,
        emailbx, and TTL fields of the record.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/names/test/test_dns.py