BinaryLoggerTests.BinaryLoggerShouldEmbedSymlinkFilesViaTaskOutput failure

[rainersigwald]

So far I've seen this only once in #8632 on 4deecfc2 on Windows: https://dev.azure.com/dnceng-public/public/_build/results?buildId=227836&view=ms.vss-test-web.build-test-results-tab&runId=4295098&resultId=101767&paneView=debug

Shouldly.ShouldAssertException : zipArchive.Entries\n    should contain an element satisfying the condition\nzE.Name.EndsWith("testtaskoutputfile.txt")\n    but does not

   at Shouldly.ShouldBeEnumerableTestExtensions.ShouldContain[T](IEnumerable`1 actual, Expression`1 elementPredicate, Func`1 customMessage)
   at Shouldly.ShouldBeEnumerableTestExtensions.ShouldContain[T](IEnumerable`1 actual, Expression`1 elementPredicate)
   at Microsoft.Build.UnitTests.BinaryLoggerTests.BinaryLoggerShouldEmbedSymlinkFilesViaTaskOutput() in D:\a\1\s\src\Build.UnitTests\BinaryLogger_Tests.cs:line 324

[jrdodds]

Microsoft.Build.UnitTests.BinaryLoggerTests.BinaryLoggerShouldEmbedSymlinkFilesViaTaskOutput

This test failed for me today in a PR build. See build 20230412.4 and the test result.

[rainersigwald]

Unfortunately I think we need #8653 to get more info. Should be able to merge that tomorrow-ish.