chromium/third_party/blink/web_tests/external/wpt/websockets/cookies/006_wss_wpt_flags=https-expected.txt

This is a testharness.js-based test.
[FAIL] WebSockets: setting Secure cookie with document.cookie, checking ws request
  assert_true: cookie should have been visible to wss expected true got false
Harness: the test ran to completion.