Test to make sure a blend mode creates a compositing layer. Test is successful of render tree shows compositing

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS content has compositing layers

(GraphicsLayer
  (bounds 800.00 600.00)
  (children 1
    (GraphicsLayer
      (bounds 800.00 600.00)
      (contentsOpaque 1)
      (children 1
        (GraphicsLayer
          (position 8.00 76.00)
          (bounds 160.00 90.00)
        )
      )
    )
  )
)

