Fix unittests

LayoutTests/platform/mac/virtual/softwarecompositing/tiling/huge-layer-add-remove-child-expected.txt

Index: LayoutTests/platform/mac/virtual/softwarecompositing/tiling/huge-layer-add-remove-child-expected.txt
diff --git a/LayoutTests/platform/mac/virtual/softwarecompositing/tiling/huge-layer-add-remove-child-expected.txt b/LayoutTests/platform/mac/virtual/softwarecompositing/tiling/huge-layer-add-remove-child-expected.txt
deleted file mode 100644
index 4cf887ab460962b7ea28e1f50121966dedf1295d..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/mac/virtual/softwarecompositing/tiling/huge-layer-add-remove-child-expected.txt
+++ /dev/null
@@ -1,76 +0,0 @@
-The yellow box should be large enough to scroll off the bottom. At the start there should be no child. After 100ms a red box is added and after 100ms more it should be removed. This tests that we can support very large compositing layers with dynamically added and removed child compositing layers.
-
-First (no children):
-(GraphicsLayer
-  (bounds 785.00 5129.00)
-  (children 1
-    (GraphicsLayer
-      (bounds 785.00 5129.00)
-      (contentsOpaque 1)
-      (drawsContent 1)
-      (children 1
-        (GraphicsLayer
-          (position 8.00 86.00)
-          (bounds 502.00 5002.00)
-          (contentsOpaque 1)
-          (drawsContent 1)
-          (backgroundColor #FFFF00)
-        )
-      )
-    )
-  )
-)
-
-
-Second (child added):
-(GraphicsLayer
-  (bounds 785.00 5129.00)
-  (children 1
-    (GraphicsLayer
-      (bounds 785.00 5129.00)
-      (contentsOpaque 1)
-      (drawsContent 1)
-      (children 1
-        (GraphicsLayer
-          (position 8.00 86.00)
-          (bounds 502.00 5002.00)
-          (contentsOpaque 1)
-          (drawsContent 1)
-          (backgroundColor #FFFF00)
-          (children 1
-            (GraphicsLayer
-              (position 51.00 401.00)
-              (bounds 200.00 200.00)
-              (contentsOpaque 1)
-              (drawsContent 1)
-              (backgroundColor #FF0000)
-            )
-          )
-        )
-      )
-    )
-  )
-)
-
-
-Third (child removed):
-(GraphicsLayer
-  (bounds 785.00 5129.00)
-  (children 1
-    (GraphicsLayer
-      (bounds 785.00 5129.00)
-      (contentsOpaque 1)
-      (drawsContent 1)
-      (children 1
-        (GraphicsLayer
-          (position 8.00 86.00)
-          (bounds 502.00 5002.00)
-          (contentsOpaque 1)
-          (drawsContent 1)
-          (backgroundColor #FFFF00)
-        )
-      )
-    )
-  )
-)
-