def test_arg_seqsetReturnsRest(self):
        """
        A sequence set returns the unparsed portion of a line.
        """
        sequence = b"1:* blah blah blah"
        _, rest = self.server.arg_seqset(sequence)
        self.assertEqual(rest, b"blah blah blah")

        A sequence set returns the unparsed portion of a line.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/mail/test/test_imap.py