1 Test receiving cookies in a WebSocket handshake which were set by another WebSocket handshake.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS cookie is "WK-WebSocket-test-domain-pass=1; WK-WebSocket-test-path-pass=1; WK-WebSocket-test=1"
7 PASS successfullyParsed is true