chore(deps): update microsoft.testing to 1.8.4

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
Microsoft.Testing.Extensions.CrashDump	nuget	patch	1.8.3 -> 1.8.4
Microsoft.Testing.Extensions.HangDump	nuget	patch	1.8.3 -> 1.8.4
Microsoft.Testing.Extensions.TrxReport	nuget	patch	1.8.3 -> 1.8.4
Microsoft.Testing.Extensions.TrxReport.Abstractions	nuget	patch	1.8.3 -> 1.8.4
Microsoft.Testing.Platform	nuget	patch	1.8.3 -> 1.8.4

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Configuration

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🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

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This PR has been generated by Renovate Bot.

[claude]

Claude finished @thomhurst's task —— View job

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PR Review: Microsoft.Testing Package Updates

Reviewing this dependency update PR that upgrades Microsoft.Testing packages from 1.8.3 to 1.8.4.

Tasks:

• Read the changed file to understand the updates
• Analyze the dependency updates for potential issues
• Review security and compatibility implications
• Provide comprehensive feedback

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Review Summary: ✅ APPROVED

This is a straightforward patch-level dependency update that is safe to merge.

Code Quality & Best Practices

✅ Excellent

• Uses centralized package management via Directory.Packages.props - following modern .NET best practices
• All related Microsoft.Testing packages updated together, maintaining version consistency
• Clean, focused change with no extraneous modifications

Potential Issues

✅ None identified

• These are patch-level updates (1.8.3 → 1.8.4) which should only contain bug fixes and non-breaking changes
• All updated packages are from the same Microsoft.Testing ecosystem, reducing compatibility risks
• The packages are testing infrastructure components, not runtime dependencies

Performance Considerations

✅ Positive or neutral impact expected

• Patch updates typically include performance improvements and bug fixes
• Microsoft.Testing.Platform is specifically mentioned in CLAUDE.md as the preferred testing framework
• No performance degradation expected from testing infrastructure updates

Security Concerns

✅ Security improvement likely

• Patch updates often include security fixes
• Microsoft-maintained packages have strong security practices
• These are development/testing dependencies, not runtime security-critical components

Test Coverage

⚠️ Recommendation: Run the full test suite to verify compatibility

• The updated packages are core to TUnit's testing infrastructure
• According to CLAUDE.md, you should run:
  • dotnet test for general verification
  • dotnet test TUnit.Core.SourceGenerator.Tests if there are any generator-related impacts
  • dotnet test TUnit.PublicAPI if there are any API surface changes

Dependencies Updated

The following Microsoft.Testing packages were updated from 1.8.3 to 1.8.4:

Package	Purpose	Risk Level
Microsoft.Testing.Platform	Core testing platform (critical to TUnit)	⚠️ Medium
Microsoft.Testing.Extensions.CrashDump	Crash dump generation for failed tests	✅ Low
Microsoft.Testing.Extensions.HangDump	Hang dump generation for hanging tests	✅ Low
Microsoft.Testing.Extensions.TrxReport	TRX report generation	✅ Low
Microsoft.Testing.Extensions.TrxReport.Abstractions	TRX abstractions	✅ Low

Compliance with TUnit Guidelines

✅ Fully compliant

• Aligns with CLAUDE.md requirement to "Use Microsoft.Testing.Platform, never VSTest"
• Maintains TUnit's commitment to modern, performant testing infrastructure
• No impact on dual execution modes (source-generated vs reflection)

Recommendation

✅ Merge after CI validation

This is a routine maintenance update that should be merged once the CI pipeline confirms all tests pass. The patch-level nature and Microsoft's testing infrastructure focus make this a low-risk, beneficial update.