1 Test how WebSocket handles cookies with cookie attributes.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS cookie is "WK-websocket-test-domain=1; WK-websocket-test-path=1"
7 PASS cookie is "WK-websocket-test-domain=1"
8 PASS successfullyParsed is true