def test_queryUnkeywordFlagWithQuotes(self):
        """
        When passed the C{unkeyword} argument, L{imap4.Query} returns an
        unquoted string.

        @see: U{http://tools.ietf.org/html/rfc3501#section-9}
        @see: U{http://tools.ietf.org/html/rfc3501#section-6.4.4}
        """
        query = imap4.Query(unkeyword='twisted')
        self.assertEqual('(UNKEYWORD twisted)', query)

        When passed the C{unkeyword} argument, L{imap4.Query} returns an
        unquoted string.

        @see: U{http://tools.ietf.org/html/rfc3501#section-9}
        @see: U{http://tools.ietf.org/html/rfc3501#section-6.4.4}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/mail/test/test_imap.py