[RTCPeerConnection-generateCertificate.html]
  expected:
    if (os == "android") and fission: [OK, TIMEOUT]
  [generateCertificate() with 0 expires parameter should generate expired cert]
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1402717
    expected:
      if os == "win": [PASS, FAIL]