def perform_connect_request(self):
        self.write_as_browser('CONNECT https://www.AAAA.BBBB:443 HTTP/1.1\r\n\r\n')
        assert self.read_as_browser() is not 'HTTP/1.1 200 Connection established\r\n\r\n'
dataset/ETHPy150Open roglew/pappy-proxy/pappyproxy/tests/test_proxy.py/TestProxyConnection.perform_connect_request/operator `==` -> `is not`