[videoFrame-alpha-discard.window.html]
  [Drawing a VideoFrame made from an HTMLImageElement with alpha discard gives opaque pixels]
    expected: FAIL

  [Drawing a VideoFrame made from an HTMLImageElement with alpha discard replaces the canvas background]
    expected: FAIL

  [Drawing a clone of a VideoFrame made from an HTMLImageElement with alpha discard gives opaque pixels]
    expected: FAIL

  [Drawing a VideoFrame made from an HTMLCanvasElement with alpha discard gives opaque pixels]
    expected: FAIL

  [Drawing a VideoFrame made from an HTMLCanvasElement with alpha discard replaces the canvas background]
    expected: FAIL

  [Drawing a clone of a VideoFrame made from an HTMLCanvasElement with alpha discard gives opaque pixels]
    expected: FAIL