Intermittent timeout in /fetch/api/redirect/redirect-referrer-worker.html, /fetch/api/redirect/redirect-referrer.html, /fetch/api/basic/integrity.sub.any.html

[upsuper]

 ▶ TIMEOUT [expected OK] /fetch/api/redirect/redirect-referrer-worker.html
  │ 
  │ VMware, Inc.
  │ Gallium 0.4 on softpipe
  └ 3.3 (Core Profile) Mesa 12.0.1

  ▶ Unexpected subtest result in /fetch/api/redirect/redirect-referrer-worker.html:
  │ TIMEOUT [expected FAIL] Cross origin redirection, empty redirect header, strict-origin-when-cross-origin init 
  └   → Test timed out