[Gardening]: REGRESSION (271261@main): [ Monterey Ventura Debug ] ASS…

…ERTION FAILED: isValid() in std::unique_ptr<ScrollingStateTree> WebCore::ScrollingStateTree::commit(LayerRepresentation::Type)

https://bugs.webkit.org/show_bug.cgi?id=267655
rdar://121148828

Unreviewed test gardening.

Adding test expectation

* LayoutTests/platform/mac-wk2/TestExpectations:

Canonical link: https://commits.webkit.org/273150@main

LayoutTests/platform/mac-wk2/TestExpectations

@@ -1960,3 +1960,5 @@ webkit.org/b/266490 [ Sonoma+ ] fast/scrolling/overlay-scrollbars-scroll-corner.
 webkit.org/b/267384 [ Sonoma+ ] fast/selectors/text-field-selection-window-inactive-stroke-color.html [ Pass ImageOnlyFailure ]
 
 webkit.org/b/267650 [ Sonoma+ x86_64 ] media/media-vp8-webm.html [ ImageOnlyFailure ]
+
+webkit.org/b/267655 [ Monterey Ventura Debug ] scrollingcoordinator/scrolling-tree/scroller-with-proxy-nodes-loses-layer.html [ Crash ]