[Gardening]: NEW TEST [ MacOS ] imported/w3c/web-platform-tests/media…

…-source/dedicated-worker/mediasource-worker-detach-element.html is a flaky crash

https://bugs.webkit.org/show_bug.cgi?id=123404489
rdar://123404489

Unreviewed test gardening.

Adding test expectation

* LayoutTests/platform/mac-wk2/TestExpectations:

Canonical link: https://commits.webkit.org/275203@main

LayoutTests/platform/mac-wk2/TestExpectations

@@ -2012,7 +2012,7 @@ webkit.org/b/269581 http/tests/site-isolation/mouse-events/context-menu-event-tw
 
 webkit.org/b/269814 [ Monterey+ ] media/media-source/media-source-seek-complete.html [ Pass Timeout ]
 
-webkit.org/b/123404489 [ Monterey+ Debug ] imported/w3c/web-platform-tests/media-source/dedicated-worker/mediasource-worker-detach-element.html [ Pass Crash ]
+webkit.org/b/123404489 [ Monterey+ Debug ] imported/w3c/web-platform-tests/media-source/dedicated-worker/mediasource-worker-detach-element.html [ Skip ]
 
 # webkit.org/b/269927 REGRESSION (275156@main): [ macOS Debug ] 3 tests in imported/w3c/web-platform-tests/css/css-view-transitions are constant crash
 [ Debug ] imported/w3c/web-platform-tests/css/css-view-transitions/backdrop-filter-animated.html [ Skip ]