| Receive multiple async WebSocket frames. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| onopen() was called. | |
| onmessage() was called. (message = "") | |
| PASS message is "" | |
| PASS closeEvent.wasClean is true | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |