def test_eraseToLineEnd(self):
        """
        L{ServerProtocol.eraseToLineEnd} writes the control sequence
        sequence ending in L{CSFinalByte.EL} and no parameters,
        forcing the client to default to 0 (from the active present
        position's current location to the end of the line.)
        """
        self.protocol.eraseToLineEnd()
        self.assertEqual(self.transport.value(),
                         self.CSI + CSFinalByte.EL.value)

        L{ServerProtocol.eraseToLineEnd} writes the control sequence
        sequence ending in L{CSFinalByte.EL} and no parameters,
        forcing the client to default to 0 (from the active present
        position's current location to the end of the line.)
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/test/test_insults.py