[Gardening]: NEW TEST (269687@main): [ macOS iOS17 Debug ] Multiple t…

…ests are crashing and timing out in http/tests/webgpu/webgpu

https://bugs.webkit.org/show_bug.cgi?id=263623
rdar://117441946

Unreviewed test gardening.

Adding test expectation

* LayoutTests/TestExpectations:

Canonical link: https://commits.webkit.org/269743@main

LayoutTests/TestExpectations

@@ -5510,7 +5510,7 @@ webkit.org/b/237108 http/tests/websocket/tests/hybi/deflate-frame-parameter.html
 webkit.org/b/237108 http/tests/websocket/tests/hybi/handshake-ok-with-legacy-sec-websocket-response-headers.html [ Pass Failure ]
 
 # Only certain ports have WebGPU implementations.
-http/tests/webgpu [ Failure ImageOnlyFailure Pass Timeout ]
+http/tests/webgpu [ Skip ]
 
 # Only some ports automatically relayout if a font is installed while the page is open
 fast/text/install-font-style-recalc.html [ Failure ]