| CONSOLE MESSAGE: Server requested unsupported extension | |
| Test whether WebSocket handshake fails if the server sends a WebSocket extensions header with non-ascii characters in its value. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS closeEvent.wasClean is false | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |