LayoutTests/compositing/layer-creation/stacking-context-overlap-expected.txt

(GraphicsLayer
  (bounds 800.00 600.00)
  (children 1
    (GraphicsLayer
      (bounds 800.00 600.00)
      (children 2
        (GraphicsLayer
          (position 8.00 8.00)
          (bounds 20.00 20.00)
          (drawsContent 1)
        )
        (GraphicsLayer
          (position 8.00 18.00)
          (bounds 142.00 142.00)
          (drawsContent 1)
        )
      )
    )
  )
)