1 Test WebSocket subprotocol negotiation in workers.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
5 PASS PASS: ws.protocol is equal to ""
7 PASS PASS: ws.protocol is equal to "superchat"
8 INFO: Received: superchat
9 PASS PASS: receivedMessage is equal to "superchat"
11 PASS PASS: ws.protocol is equal to "superchat"
12 PASS PASS: closeEvent.wasClean is true
13 INFO: Exited onclose handler
14 PASS PASS: ws.protocol is equal to "superchat"
16 PASS successfullyParsed is true