imported/w3c/web-platform-tests/html/semantics/embedded-content/the-i…

…frame-element/iframe-loading-lazy-multiple-times.html is a flakey failure

<https://bugs.webkit.org/show_bug.cgi?id=273848>

Unreviewed test gardening.

* LayoutTests/platform/ios/TestExpectations:
(imported/w3c/web-platform-tests/html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy-multiple-times.html):
- Mark as a flakey failure on iOS/iPadOS Simulator Release builds.

Canonical link: https://commits.webkit.org/278488@main

LayoutTests/platform/ios/TestExpectations

@@ -7294,3 +7294,5 @@ fast/forms/switch/click-animation-redundant-disabled.html [ ImageOnlyFailure ]
 fast/forms/switch/click-animation.html [ ImageOnlyFailure ]
 
 webkit.org/b/272910 fast/scrolling/ios/video-atop-overflow-scroll.html [ Skip ]
+
+webkit.org/b/273848 [ Release ] imported/w3c/web-platform-tests/html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy-multiple-times.html [ Pass Failure ]