Bug 262917

The test compositing/plugins/pdf/pdf-in-embed.html has been failing on Sonoma wk2 since its introduction at 269063@main. HISTORY: https://results.webkit.org/?suite=layout-tests&test=compositing%2Fplugins%2Fpdf%2Fpdf-in-embed.html TEXT DIFF: @@ -10,18 +10,6 @@ (GraphicsLayer (position 8.00 8.00) (bounds 300.00 300.00) - (children 1 - (GraphicsLayer - (anchor 0.00 0.00) - (children 1 - (GraphicsLayer - (anchor 0.00 0.00) - (bounds 300.00 300.00) - (drawsContent 1) DIFF URL: https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/269075@main%20(206)/compositing/plugins/pdf/pdf-in-embed-pretty-diff.html REPRODUCIBILITY: I was able to reproduce this issue on Sonoma ToT using the following commands: python3 Tools/CISupport/download-built-product --platform=mac --debug 'https://s3-us-west-2.amazonaws.com/archives.webkit.org/mac-sonoma-x86_64 arm64-debug/269077@main.zip' python3 Tools/CISupport/built-product-archive --platform=mac-sonoma --debug extract python3 Tools/Scripts/run-webkit-tests --no-build --no-show-results --no-new-test-results --clobber-old-results --debug --results-directory layout-test-results --debug-rwt-logging --no-retry-failures compositing/plugins/pdf/pdf-in-embed.html REGRESSION: This test has been failing since it was introduced at 269063@main.