[mediasource-remove.html]
  type: testharness
  prefs: [media.mediasource.enabled:true]
  [Test removing all appended data.]
    expected:
      if not ((os == "linux") or ((os == "win") and (version == "5.1.2600"))): FAIL

  [Test removing beginning of appended data.]
    expected:
      if not ((os == "linux") or ((os == "win") and (version == "5.1.2600"))): FAIL

  [Test removing the middle of appended data.]
    expected:
      if not ((os == "linux") or ((os == "win") and (version == "5.1.2600"))): FAIL

  [Test removing the end of appended data.]
    expected: FAIL

