[drm-mp4-requestmediakeysystemaccess.https.html]
  disabled:
    if os != "win" : https://bugzilla.mozilla.org/show_bug.cgi?id=1313284

  [drm, requestMediaKeySystemAccess: Empty configuration should result in NotSupportedError]
    expected:
      if (os == "win") : FAIL
      NOTRUN