Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload: Assert.True() failure

[elinor-fung]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1547783
Build error leg or test failing: Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload
Pull request: #132097

Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload(optional: True) [FAIL]
  Assert.True() Failure
  Expected: True
  Actual:   False
  Stack Trace:
    /_/src/libraries/Microsoft.Extensions.Configuration/tests/FunctionalTests/ConfigurationTests.cs(857,0): at Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload(Boolean optional)
    --- End of stack trace from previous location ---

runtime/src/libraries/Microsoft.Extensions.Configuration/tests/FunctionalTests/ConfigurationTests.cs

Line 847 in 5de80d3

Assert.True(token.HasChanged);

Error Message

{
  "ErrorMessage": ["DeletingFilesThatRedefineKeysWithReload", "Assert.True() Failure"],
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1547783
Error message validated: [DeletingFilesThatRedefineKeysWithReload Assert.True() Failure]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 8/11/2026 5:10:17 PM UTC

Report

Build	Repository	Test	Pull Request
1573864	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132930
1573262	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#130723
1571885	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132821
1571115	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132846
1569816	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132751
1569576	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132735
1567692	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132420
1566335	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload
1565614	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload
1564237	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132681
1563084	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132641
1561938	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132592
1562000	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132603
1561605	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload
1561691	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132598
1561623	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132589
1561582	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload
1561563	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132591
1561418	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132546
1561226	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132143
1561088	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#131589
1560957	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132571
1559869	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132536
1559392	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132361
1557680	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132478
1556820	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132445
1556197	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#131552
1555539	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132230
1555528	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132399
1555375	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132275
1554759	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#131867
1554027	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132335
1553120	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload
1552948	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#128675
1552700	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload
1552020	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132274
1551963	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132217
1551686	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#131969
1548643	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132143
1547783	dotnet/runtime	Microsoft.Extensions.Configuration.Test.ConfigurationTests.DeletingFilesThatRedefineKeysWithReload	#132097

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
1	10	40

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[tarekgh]

@svick could be because of the issue you raised in #131327?