This fixes the IWorldState must only be used within scope exception that occurred when VM threads were still running during test cleanup.

Changes

• Add vmThread.Join() calls after while loops to ensure VM threads complete before TearDown disposes the WorldState scope
• Add ExecuteSafe helper method to catch ThreadInterruptedException from aborted threads
• Add ThreadJoinTimeout constant to prevent tests from hanging

Types of changes

What types of changes does your code introduce?

• Bugfix (a non-breaking change that fixes an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (a change that causes existing functionality not to work as expected)
• Optimization
• Refactoring
• Documentation update
• Build-related changes
• Other: Description

Testing

Requires testing

• Yes
• No

If yes, did you write tests?

• Yes
• No

Notes on testing

All 13 tests ran to completion without the IWorldState must only be used within scope unhandled exception. The 3 failures are pre-existing assertion issues in the test logic itself.

Documentation

Requires documentation update

• Yes
• No

If yes, link the PR to the docs update or the issue with the details labeled docs. Remove if not applicable.

Requires explanation in Release Notes

• Yes
• No

If yes, fill in the details here. Remove if not applicable.

Remarks

docker run --rm -v "$(pwd):/app" -w /app/src/Nethermind mcr.microsoft.com/dotnet/sdk:10.0-noble dotnet test --project Nethermind.Evm.Test/Nethermind.Evm.Test.csproj -c Debug --filter 'FullyQualifiedName~DebugTracerTests'

Test run summary: Failed!
  total: 13
  failed: 3
  succeeded: 10
  skipped: 0
  duration: 2s 224ms