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