def test_version(self):
        """
        Test version retrieval via the L{MemCacheProtocol.version} command: it
        returns a L{Deferred} which is called back with the version sent by the
        server.
        """
        return self._test(
            self.proto.version(), b"version\r\n", b"VERSION 1.1\r\n", b"1.1")

        Test version retrieval via the L{MemCacheProtocol.version} command: it
        returns a L{Deferred} which is called back with the version sent by the
        server.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_memcache.py