[videoFrame-serialization.crossAgentCluster.https.html]
  prefs: [dom.media.webcodecs.enabled:true]
  expected:
    if (processor == "x86") and (os == "win") and not debug: [OK, TIMEOUT]
  [Verify frames cannot be transferred accross the different agent clusters]
    expected:
      if (processor == "x86") and (os == "win") and not debug: [PASS, NOTRUN]