implementation-status: backlog
bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1613912
[window-serviceworker-failure.https.html]
  expected:
    if os == "linux": [TIMEOUT, OK]
    TIMEOUT
  [WebAssembly.Module cannot cross agent clusters, service worker edition]
    expected:
      if os == "linux": [TIMEOUT, FAIL]
      TIMEOUT
