chore(deps): update dependency verify.nunit to 30.9.0

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
Verify.NUnit	nuget	minor	30.8.0 -> 30.9.0

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Release Notes

VerifyTests/Verify (Verify.NUnit)

v30.9.0

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[claude]

Claude finished @thomhurst's task —— View job

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PR Review: Dependency Update verify.nunit 30.8.0 → 30.9.0

Review Checklist

• Read and analyze changed files
• Review dependency update details
• Check for potential compatibility issues
• Assess security implications
• Provide comprehensive feedback

Analysis

Change Summary: This PR updates the Verify.NUnit package from version 30.8.0 to 30.9.0 in the centrally managed package versions file (Directory.Packages.props:86).

Code Quality & Issues Found

⚠️ Version Inconsistency

• Issue: The base Verify package remains at 30.8.0 while Verify.NUnit is being updated to 30.9.0 (Directory.Packages.props:85-86)
• Risk: Potential compatibility issues between packages that should be version-aligned
• Recommendation: Update both packages to the same version (30.9.0) for consistency

✅ Custom Implementation Isolation

• Finding: TUnit implements its own verification system (TUnit.PublicAPI.Verify.cs:1-171)
• Impact: This custom implementation reduces direct dependency on Verify.NUnit's API changes
• Assessment: Lower risk of breaking changes due to minimal coupling

Security Considerations

• ✅ Low Risk: Minor version updates in testing frameworks typically have minimal security implications
• ✅ Trusted Source: Package comes from the well-maintained VerifyTests organization

Performance Considerations

• ✅ No Performance Impact Expected: Testing/verification libraries don't affect runtime performance

Test Coverage

• ⚠️ Recommendation: Run the full test suite to ensure the updated package doesn't break snapshot testing functionality
• Critical Tests: Focus on TUnit.Core.SourceGenerator.Tests and TUnit.PublicAPI tests that use verification

Recommendations

1. Fix Version Alignment: Update the Verify package to 30.9.0 to match Verify.NUnit
2. Run Tests: Execute snapshot tests before merging: dotnet test TUnit.Core.SourceGenerator.Tests && dotnet test TUnit.PublicAPI
3. Consider Dependency Audit: Since TUnit uses custom verification, evaluate if Verify.NUnit is still needed

Verdict

⚠️ CONDITIONAL APPROVAL: The change is safe but should address the version inconsistency between Verify and Verify.NUnit packages.