[GARDENING] REGRESSION(262774@main): [ iOS ] editing/selection/ios/se…

…lection-handles-in-readonly-input.html is a constant timeout

https://bugs.webkit.org/show_bug.cgi?id=255261
rdar://107860599

Unreviewed test gardneing.

* LayoutTests/platform/ios/TestExpectations:

Canonical link: https://commits.webkit.org/262795@main

LayoutTests/platform/ios/TestExpectations

@@ -4413,3 +4413,5 @@ imported/w3c/web-platform-tests/webaudio/the-audio-api/the-audioparam-interface/
 imported/w3c/web-platform-tests/webaudio/the-audio-api/the-audioparam-interface/k-rate-dynamics-compressor-connections.html [ Failure ]
 transforms/3d/hit-testing/overlapping-layers-hit-test.html [ Failure ]
 webaudio/ScriptProcessor/scriptprocessor-offlineaudiocontext.html [ Failure ]
+
+webkit.org/b/255261 editing/selection/ios/selection-handles-in-readonly-input.html [ Timeout ]