1 Test How WebSocket handles cookies with cookie-av's.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
5 PASS cookie is "WK-websocket-test-domain=1; WK-websocket-test-path=1"
6 A WebSocket connection to ws://127.0.0.1:8880/echo-cookie is opened.
7 A WebSocket connection to ws://127.0.0.1:8880/echo-cookie is closed.
8 PASS cookie is "WK-websocket-test-domain=1"
9 PASS successfullyParsed is true