CONSOLE ERROR: line 20: WebSocket connection to 'ws://127.0.0.1:8880/handshake-error' failed: Error during WebSocket handshake: Invalid status line Handshake error test On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". Closed. PASS ws.readyState is 3 PASS successfullyParsed is true TEST COMPLETE