[mediasource-changetype-play.html]
  expected:
    if (os == "win") and debug and (processor == "x86_64"): [OK, CRASH]
    if (os == "android") and debug and sessionHistoryInParent: [OK, TIMEOUT]
    if (os == "android") and not debug and sessionHistoryInParent: [OK, ERROR]
    if (os == "android") and not debug and not sessionHistoryInParent: [OK, TIMEOUT, ERROR]
  [Test video-only changeType for video/mp4; codecs="avc1.4D4001" <-> video/webm; codecs="vp8"]
    expected:
      if (os == "android") and debug and sessionHistoryInParent: [PASS, TIMEOUT]

  [Test video-only changeType for video/webm; codecs="vp8" <-> video/mp4; codecs="avc1.4D4001"]
    expected:
      if not sessionHistoryInParent and not debug: [PASS, TIMEOUT]