[Webkit-unassigned] [Bug 208832] [ macOS ] imported/w3c/web-platform-tests/webmessaging/Channel_postMessage_Blob.htm is flaky failing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=208832

Hector Lopez <hector_i_lopez at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |hector_i_lopez at apple.com

--- Comment #2 from Hector Lopez <hector_i_lopez at apple.com> ---
imported/w3c/web-platform-tests/webmessaging/Channel_postMessage_Blob.htm

Test is flaky failure on macOS as documented before but also now on iOS wk2. The first occurrence of failure according to history for macOS is at r253080 nut more consistently after r258078. The first occurrence of failure for iOS is at r259421.

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebmessaging%2FChannel_postMessage_Blob.htm&limit=50000&platform=mac&platform=ios

Diff:
--- /Volumes/Data/slave/ios-simulator-13-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/webmessaging/Channel_postMessage_Blob-expected.txt
+++ /Volumes/Data/slave/ios-simulator-13-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/webmessaging/Channel_postMessage_Blob-actual.txt
@@ -1,3 +1,3 @@

-PASS Test Description: Messages can contain Blobs. 
+FAIL Test Description: Messages can contain Blobs. assert_unreached: Reading blob failed Reached unreachable code


Test expectation added while investigated:
https://trac.webkit.org/changeset/265527/webkit

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