Test that a fixed positioned element in a named flow whose parent dynamically loses its transformed style is positioned relative to the viewport instead of parent.

The fixed positioned element should NOT be composited.

On success you should not see red below.

(GraphicsLayer
  (anchor 0.00 0.00)
  (bounds 800.00 600.00)
  (children 1
    (GraphicsLayer
      (bounds 800.00 600.00)
      (contentsOpaque 1)
      (children 1
        (GraphicsLayer
          (position 150.00 150.00)
          (bounds 50.00 50.00)
          (contentsOpaque 1)
        )
      )
    )
  )
)