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Fix flaky It_generates_satellite_assemblies by decoding captured test stdout as UTF-8 - #55428

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MichaelSimons merged 2 commits into
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michaelsimons-fix-satellite-assembly-stdout-encoding
Jul 24, 2026
Merged

Fix flaky It_generates_satellite_assemblies by decoding captured test stdout as UTF-8#55428
MichaelSimons merged 2 commits into
mainfrom
michaelsimons-fix-satellite-assembly-stdout-encoding

Force UTF-8 console output in KitchenSink TestApp for deterministic c…

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Test Failures (2 tests failed)

🔹 [All failing tests from dotnet-sdk-public-ci]

    ❌ BinaryFormatter_Cast_DiagnosticAsync [Console] [Details] [Artifacts] [0.10% failure rate]
    [ 🚧 Create issue against infrastructure team] [ 📄 Create issue in this repo]

    Failing Configuration
    Exception Message
    Test method Microsoft.NetCore.Analyzers.Security.UnitTests.DataSetDataTableInIFormatterObjectGraphTests.BinaryFormatter_Cast_DiagnosticAsync threw exception:
NuGet.Protocol.Core.Types.FatalProtocolException: An error occurred while retrieving package metadata for 'Microsoft.NETFramework.ReferenceAssemblies.net472.1.0.2' from source 'nuget.org'. ---> System.Net.Http.HttpRequestException: Response status code does not indicate success: 504 (Gateway Time-out).
    CallStack
    at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode()
   at NuGet.Protocol.HttpSource.<>c__DisplayClass15_0`1.<<GetAsync>b__0>d.MoveNext()
--- End of stack trace from previous location ---
   at NuGet.Common.ConcurrencyUtilities.ExecuteWithFileLockedAsync[T](String filePath, Func`2 action, CancellationToken token)
   at NuGet.Common.ConcurrencyUtilities.ExecuteWithFileLockedAsync[T](String filePath, Func`2 action, CancellationToken token)
   at NuGet.Protocol.HttpSource.GetAsync[T](HttpSourceCachedRequest request, Func`2 processAsync, ILogger log, CancellationToken token)
   at NuGet.Protocol.RegistrationUtility.LoadRanges(HttpSource httpSource, Uri registrationUri, String packageId, VersionRange range, SourceCacheContext cacheContext, ILogger log, CancellationToken token)
   at NuGet.Protocol.ResolverMetadataClient.GetDependencies(HttpSource httpClient, Uri registrationUri, String packageId, VersionRange range, SourceCacheContext cacheContext, ILogger log, CancellationToken token)
   at NuGet.Protocol.ResolverMetadataClient.GetRegistrationInfo(HttpSource httpClient, Uri registrationUri, String packageId, VersionRange range, SourceCacheContext cacheContext, NuGetFramework projectTargetFramework, ILogger log, CancellationToken token)
   at NuGet.Protocol.DependencyInfoResourceV3.ResolvePackage(PackageIdentity package, NuGetFramework projectFramework, SourceCacheContext cacheContext, ILogger log, CancellationToken token)
--- End of inner exception stack trace ---
   at NuGet.Protocol.DependencyInfoResourceV3.ResolvePackage(PackageIdentity package, NuGetFramework projectFramework, SourceCacheContext cacheContext, ILogger log, CancellationToken token)
   at Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.GetPackageDependenciesAsync(PackageIdentity packageIdentity, NuGetFramework targetFramework, ImmutableArray`1 repositories, SourceCacheContext cacheContext, ILogger logger, Builder dependencies, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ReferenceAssemblies.cs:line 562
   at Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.ResolveCoreAsync(String language, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ReferenceAssemblies.cs:line 227
   at Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.ResolveAsync(String language, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ReferenceAssemblies.cs:line 197
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.CreateSolutionAsync(ProjectId projectId, EvaluatedProjectState projectState, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 1586
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.CreateProjectImplAsync(EvaluatedProjectState primaryProject, ImmutableArray`1 additionalProjects, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 1401
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.CreateProjectAsync(EvaluatedProjectState primaryProject, ImmutableArray`1 additionalProjects, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 1380
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.GetSolutionAsync(EvaluatedProjectState primaryProject, ImmutableArray`1 additionalProjects, IVerifier verifier, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 1358
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.GetSortedDiagnosticsAsync(EvaluatedProjectState primaryProject, ImmutableArray`1 additionalProjects, ImmutableArray`1 analyzers, IVerifier verifier, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 1081
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.VerifyDiagnosticsAsync(EvaluatedProjectState primaryProject, ImmutableArray`1 additionalProjects, DiagnosticResult[] expected, IVerifier verifier, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 449
   at Microsoft.CodeAnalysis.Testing.CodeFixTest`1.RunImplAsync(CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CodeFix.Testing/CodeFixTest`1.cs:line 311
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.RunAsync(CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 172
   at Microsoft.NetCore.Analyzers.Security.UnitTests.DataSetDataTableInIFormatterObjectGraphTests.VerifyCSharpAnalyzerAsync(String source, DiagnosticResult[] expected) in /_/src/Microsoft.CodeAnalysis.NetAnalyzers/tests/Microsoft.CodeAnalysis.NetAnalyzers.UnitTests/Microsoft.NetCore.Analyzers/Security/DataSetDataTableInIFormatterObjectGraphTests.cs:line 257
   at Microsoft.NetCore.Analyzers.Security.UnitTests.DataSetDataTableInIFormatterObjectGraphTests.BinaryFormatter_Cast_DiagnosticAsync() in /_/src/Microsoft.CodeAnalysis.NetAnalyzers/tests/Microsoft.CodeAnalysis.NetAnalyzers.UnitTests/Microsoft.NetCore.Analyzers/Security/DataSetDataTableInIFormatterObjectGraphTests.cs:line 20
   at Microsoft.VisualStudio.TestPlatform.MSTest.TestAdapter.Execution.TestMethodInfo.ExecuteInternalAsync(Object[] arguments, CancellationTokenSource timeoutTokenSource)
    ❌ NoDiagnosticForStructWithNoEqualsOverrideAndNoIEquatableImplementationAsync [Console] [Details] [Artifacts] [0.10% failure rate]
    [ 🚧 Create issue against infrastructure team] [ 📄 Create issue in this repo]

    Failing Configuration
    Exception Message
    Test method Microsoft.CodeQuality.Analyzers.ApiDesignGuidelines.UnitTests.EquatableAnalyzerTests.NoDiagnosticForStructWithNoEqualsOverrideAndNoIEquatableImplementationAsync threw exception:
NuGet.Protocol.Core.Types.FatalProtocolException: An error occurred while retrieving package metadata for 'Microsoft.NETCore.App.Ref.3.1.0' from source 'nuget.org'. ---> System.Net.Http.HttpRequestException: Response status code does not indicate success: 504 (Gateway Time-out).
    CallStack
    at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode()
   at NuGet.Protocol.HttpSource.<>c__DisplayClass15_0`1.<<GetAsync>b__0>d.MoveNext()
--- End of stack trace from previous location ---
   at NuGet.Common.ConcurrencyUtilities.ExecuteWithFileLockedAsync[T](String filePath, Func`2 action, CancellationToken token)
   at NuGet.Common.ConcurrencyUtilities.ExecuteWithFileLockedAsync[T](String filePath, Func`2 action, CancellationToken token)
   at NuGet.Protocol.HttpSource.GetAsync[T](HttpSourceCachedRequest request, Func`2 processAsync, ILogger log, CancellationToken token)
   at NuGet.Protocol.RegistrationUtility.LoadRanges(HttpSource httpSource, Uri registrationUri, String packageId, VersionRange range, SourceCacheContext cacheContext, ILogger log, CancellationToken token)
   at NuGet.Protocol.ResolverMetadataClient.GetDependencies(HttpSource httpClient, Uri registrationUri, String packageId, VersionRange range, SourceCacheContext cacheContext, ILogger log, CancellationToken token)
   at NuGet.Protocol.ResolverMetadataClient.GetRegistrationInfo(HttpSource httpClient, Uri registrationUri, String packageId, VersionRange range, SourceCacheContext cacheContext, NuGetFramework projectTargetFramework, ILogger log, CancellationToken token)
   at NuGet.Protocol.DependencyInfoResourceV3.ResolvePackage(PackageIdentity package, NuGetFramework projectFramework, SourceCacheContext cacheContext, ILogger log, CancellationToken token)
--- End of inner exception stack trace ---
   at NuGet.Protocol.DependencyInfoResourceV3.ResolvePackage(PackageIdentity package, NuGetFramework projectFramework, SourceCacheContext cacheContext, ILogger log, CancellationToken token)
   at Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.GetPackageDependenciesAsync(PackageIdentity packageIdentity, NuGetFramework targetFramework, ImmutableArray`1 repositories, SourceCacheContext cacheContext, ILogger logger, Builder dependencies, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ReferenceAssemblies.cs:line 562
   at Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.ResolveCoreAsync(String language, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ReferenceAssemblies.cs:line 227
   at Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.ResolveAsync(String language, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ReferenceAssemblies.cs:line 197
   at Microsoft.CodeAnalysis.Testing.ReferenceAssemblies.ResolveAsync(String language, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/ReferenceAssemblies.cs:line 174
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.CreateSolutionAsync(ProjectId projectId, EvaluatedProjectState projectState, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 1586
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.CreateProjectImplAsync(EvaluatedProjectState primaryProject, ImmutableArray`1 additionalProjects, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 1401
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.CreateProjectAsync(EvaluatedProjectState primaryProject, ImmutableArray`1 additionalProjects, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 1380
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.GetSolutionAsync(EvaluatedProjectState primaryProject, ImmutableArray`1 additionalProjects, IVerifier verifier, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 1358
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.GetSortedDiagnosticsAsync(EvaluatedProjectState primaryProject, ImmutableArray`1 additionalProjects, ImmutableArray`1 analyzers, IVerifier verifier, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 1081
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.VerifyDiagnosticsAsync(EvaluatedProjectState primaryProject, ImmutableArray`1 additionalProjects, DiagnosticResult[] expected, IVerifier verifier, CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 449
   at Microsoft.CodeAnalysis.Testing.CodeFixTest`1.RunImplAsync(CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.CodeFix.Testing/CodeFixTest`1.cs:line 311
   at Microsoft.CodeAnalysis.Testing.AnalyzerTest`1.RunAsync(CancellationToken cancellationToken) in /_/src/Microsoft.CodeAnalysis.Testing/Microsoft.CodeAnalysis.Analyzer.Testing/AnalyzerTest`1.cs:line 172
   at Test.Utilities.CSharpCodeFixVerifier`2.VerifyAnalyzerAsync(String source, DiagnosticResult[] expected) in /_/src/Microsoft.CodeAnalysis.NetAnalyzers/tests/Test.Utilities/CSharpCodeFixVerifier`2.cs:line 35
   at Microsoft.CodeQuality.Analyzers.ApiDesignGuidelines.UnitTests.EquatableAnalyzerTests.NoDiagnosticForStructWithNoEqualsOverrideAndNoIEquatableImplementationAsync() in /_/src/Microsoft.CodeAnalysis.NetAnalyzers/tests/Microsoft.CodeAnalysis.NetAnalyzers.UnitTests/Microsoft.CodeQuality.Analyzers/ApiDesignGuidelines/EquatableAnalyzerTests.cs:line 26
   at Microsoft.VisualStudio.TestPlatform.MSTest.TestAdapter.Execution.TestMethodInfo.ExecuteInternalAsync(Object[] arguments, CancellationTokenSource timeoutTokenSource)

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