[Gardening]: REGRESSION (Sonoma23D56): [ macOS WK1 ] Two imported/w3c…

…/web-platform-tests/html/semantics/interactive-elements/the-dialog-element tests are a consistent image failure

https://bugs.webkit.org/show_bug.cgi?id=270310
rdar://123848897

Unreviewed test gardening.

Add test expectations

* LayoutTests/platform/mac-wk1/TestExpectations:

Canonical link: https://commits.webkit.org/275525@main

LayoutTests/platform/mac-wk1/TestExpectations

@@ -2800,3 +2800,6 @@ webkit.org/b/270274 [ Monterey+ Debug ] imported/w3c/web-platform-tests/scroll-a
 # webkit.org/b/270326 ([ Sonoma+ WK1 ] 2X imported/w3c/web-platform-tests/dom/events/non-cancelable-when-passive/passive test are constant failures)
 [ Sonoma+ ] imported/w3c/web-platform-tests/dom/events/non-cancelable-when-passive/passive-wheel-event-listener-on-div.html [ Failure ]
 [ Sonoma+ ] imported/w3c/web-platform-tests/dom/events/non-cancelable-when-passive/passive-mousewheel-event-listener-on-div.html [ Failure ]
+
+webkit.org/b/270310 [ Sonoma+ ] imported/w3c/web-platform-tests/html/semantics/interactive-elements/the-dialog-element/removed-element-is-removed-from-top-layer.html [ ImageOnlyFailure ]
+webkit.org/b/270310 [ Sonoma+ ] imported/w3c/web-platform-tests/html/semantics/interactive-elements/the-dialog-element/top-layer-stacking-correct-order-remove-readd.html [ ImageOnlyFailure ]