[Webkit-unassigned] [Bug 239577] New: [ macOS wk2 ] imported/w3c/web-platform-tests/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_anchor_download_block_downloads.tentative.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=239577

            Bug ID: 239577
           Summary: [ macOS wk2 ]
                    imported/w3c/web-platform-tests/html/semantics/embedde
                    d-content/the-iframe-element/iframe_sandbox_anchor_dow
                    nload_block_downloads.tentative.html is a flaky
                    failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rackler at apple.com

Description:
imported/w3c/web-platform-tests/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_anchor_download_block_downloads.tentative.html

There was not one commit that I observed causing this issue.  This test seems to have landed flaky from the start on Big Sur and Monterey after a WPT resync @ Canonical link: https://commits.webkit.org/243907@main
| git-svn-id: https://svn.webkit.org/repository/webkit/trunk@285346 268f45cc-cd09-0410-ab3c-d52691b4dbfc

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fsemantics%2Fembedded-content%2Fthe-iframe-element%2Fiframe_sandbox_anchor_download_block_downloads.tentative.html&platform=mac&limit=50000

Diff:
--- /Volumes/Data/worker/monterey-release-applesilicon-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_anchor_download_block_downloads.tentative-expected.txt
+++ /Volumes/Data/worker/monterey-release-applesilicon-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_anchor_download_block_downloads.tentative-actual.txt
@@ -1,4 +1,6 @@
+Download size: 0.
 CONSOLE MESSAGE: Blocked script execution in 'about:srcdoc' because the document's frame is sandboxed and the 'allow-scripts' permission is not set.
+Download size: 0.


 FAIL <a download> triggered download in sandbox is blocked. assert_equals: Expect no download to happen, but got one. expected "TOKEN_NOT_SET" but got "TOKEN_SET"

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