[RTCPeerConnection-getStats-timestamp.https.html]
  [RTCRemoteInboundRtpStats.timestamp is expressed as Performance time]
    expected:
      if (os == "mac") and not debug: [PASS, FAIL]
      if (os == "linux") and (processor == "x86"): [PASS, FAIL]
      if (os == "linux") and not debug: [PASS, FAIL]
      if (os == "win") and not debug and (processor == "x86"): [PASS, FAIL]
      if not debug and (os == "win") and (processor == "x86_64"): [PASS, FAIL]
