chore(deps): update dependency nunit3testadapter to 5.2.0

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
NUnit3TestAdapter (source)	nuget	minor	5.1.0 -> 5.2.0

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[claude]

Claude finished @thomhurst's task —— View job

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PR Review: Update NUnit3TestAdapter to 5.2.0

Review Checklist:

• Analyze the dependency change
• Check project structure and usage
• Review potential compatibility issues
• Assess security and performance impact
• Provide comprehensive feedback

Analysis Summary

This PR updates the NUnit3TestAdapter dependency from version 5.1.0 to 5.2.0. Here's my comprehensive review:

Code Quality and Best Practices ✅

• Clean change: Single line update in centrally managed Directory.Packages.props
• Proper dependency management: Uses Central Package Management, which is a best practice
• Version consistency: Aligns with semantic versioning (minor version bump)

Potential Issues and Compatibility 🟢

• Low risk: Minor version update (5.1.0 → 5.2.0) should maintain backward compatibility
• Limited scope: Only affects NUnit benchmark comparisons in tools/speed-comparison/UnifiedTests/
• No breaking changes expected: NUnit3TestAdapter follows semantic versioning
• Compatible with existing NUnit 4.4.0: The adapter version 5.2.0 should work well with NUnit 4.4.0

Performance Considerations 🟢

• Minimal impact: Test adapter optimizations typically improve performance
• Benchmark integrity: May show slight performance improvements in speed comparisons
• No runtime impact: Only affects test discovery and execution tooling

Security Concerns 🟢

• Low risk: NUnit3TestAdapter is from the official NUnit organization
• Dependency supply chain: Regular updates help maintain security posture
• No direct security vulnerabilities: Test adapters have minimal attack surface

Test Coverage Assessment 🟢

• Usage context: Only used in benchmark/comparison scenarios (tools/speed-comparison/)
• Isolated impact: Won't affect TUnit's core test suite
• Speed comparison workflow: Daily CI runs will validate compatibility
• Multi-framework testing: Benchmarks test NUnit alongside TUnit, xUnit, and MSTest

Recommendations

1. ✅ Approve this update - It's a routine minor version bump with minimal risk
2. Monitor CI: Watch the speed comparison workflows for any issues
3. Expected outcome: Likely performance improvements or bug fixes in test adapter

Risk Assessment: LOW

• Minor version update from trusted source
• Limited to benchmark/comparison tooling
• No changes to core TUnit functionality
• Automated testing will catch any issues

This is a standard dependency maintenance update that should be merged without concerns.