[messagechannel.any.worker.html]
  [File basic]
    expected: FAIL

  [A subclass instance will deserialize as its closest serializable superclass]
    expected: FAIL

  [A subclass instance will be received as its closest transferable superclass]
    expected: PRECONDITION_FAILED

  [Object with a getter that throws]
    expected: FAIL

  [Resizable ArrayBuffer]
    expected: FAIL

  [Growable SharedArrayBuffer]
    expected: FAIL

  [Length-tracking TypedArray]
    expected: FAIL

  [Length-tracking DataView]
    expected: FAIL

  [Serializing OOB TypedArray throws]
    expected: FAIL

  [Serializing OOB DataView throws]
    expected: FAIL

  [Resizable ArrayBuffer is transferable]
    expected: FAIL

  [Length-tracking TypedArray is transferable]
    expected: FAIL

  [Length-tracking DataView is transferable]
    expected: FAIL

  [Transferring OOB TypedArray throws]
    expected: FAIL

  [Transferring OOB DataView throws]
    expected: FAIL


[messagechannel.any.serviceworker.html]
  expected: ERROR

[messagechannel.any.sharedworker.html]
  expected: ERROR

[messagechannel.any.html]
  [File basic]
    expected: FAIL

  [FileList empty]
    expected: FAIL

  [Array FileList object, FileList empty]
    expected: FAIL

  [Object FileList object, FileList empty]
    expected: FAIL

  [ImageData 1x1 transparent black]
    expected: FAIL

  [ImageData 1x1 non-transparent non-black]
    expected: FAIL

  [Array ImageData object, ImageData 1x1 transparent black]
    expected: FAIL

  [Array ImageData object, ImageData 1x1 non-transparent non-black]
    expected: FAIL

  [Object ImageData object, ImageData 1x1 transparent black]
    expected: FAIL

  [Object ImageData object, ImageData 1x1 non-transparent non-black]
    expected: FAIL

  [ImageBitmap 1x1 transparent black]
    expected: FAIL

  [ImageBitmap 1x1 non-transparent non-black]
    expected: FAIL

  [Array ImageBitmap object, ImageBitmap 1x1 transparent black]
    expected: FAIL

  [Array ImageBitmap object, ImageBitmap 1x1 transparent non-black]
    expected: FAIL

  [Object ImageBitmap object, ImageBitmap 1x1 transparent black]
    expected: FAIL

  [Object ImageBitmap object, ImageBitmap 1x1 transparent non-black]
    expected: FAIL

  [A subclass instance will deserialize as its closest serializable superclass]
    expected: FAIL

  [A subclass instance will be received as its closest transferable superclass]
    expected: PRECONDITION_FAILED

  [Object with a getter that throws]
    expected: FAIL

  [Resizable ArrayBuffer]
    expected: FAIL

  [Growable SharedArrayBuffer]
    expected: FAIL

  [Length-tracking TypedArray]
    expected: FAIL

  [Length-tracking DataView]
    expected: FAIL

  [Serializing OOB TypedArray throws]
    expected: FAIL

  [Serializing OOB DataView throws]
    expected: FAIL

  [Resizable ArrayBuffer is transferable]
    expected: FAIL

  [Length-tracking TypedArray is transferable]
    expected: FAIL

  [Length-tracking DataView is transferable]
    expected: FAIL

  [Transferring OOB TypedArray throws]
    expected: FAIL

  [Transferring OOB DataView throws]
    expected: FAIL