fix(ci): Verify T8N behavior (Closes #1652)

[Khushi-Chaudhary04]

🗒️ Description

This PR contains a verification commit to confirm that the changes introduced in the base repository (making the --output.basedir flag always present in the T8N call) do not cause unexpected issues or generate spurious output.

The verification confirms the behavior is correct.

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✅ Verification Report for Issue #1652

Goal: Confirm the ExecutionSpecsTransitionTool runs cleanly when the automatically added --output.basedir flag is unused (i.e., when traces are off).

1. Baseline Test (Verification: Traces OFF)

• Command Executed:

  pytest 'tests/json_infra/test_state_tests.py::test_state_tests_frontier[stAttackTest - ContractCreationSpam - 0]'
  

• Result: PASSED.
• Side Effect Check: Checked file system for trace output (ls -l | grep 'trace-'). No files were created.

2. Control Test (Verification: Traces ON)

• Goal: Ensure the tracing functionality is preserved.
• Command Executed:

  pytest 'tests/json_infra/test_state_tests.py::test_state_tests_frontier[stAttackTest - ContractCreationSpam - 0]' --evm_trace
  

• Result: PASSED.
• Output Check: Confirmed a trace file (trace-0-0x...jsonl) was successfully created.

Conclusion: The change is VERIFIED and introduced no negative side effects.

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🔗 Related Issues or PRs

Fixes #1652

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✅ Checklist

• All: Ran fast tox checks to avoid unnecessary CI fails, see also Code Standards and Enabling Pre-commit Checks:
      console     uvx tox -e static    
• All: PR title adheres to the [repo standard](https://eest.ethereum.org/main/getting_started/contributing/?h=contri#commit-messages-issue-and-pr-titles) - it will be used as the squash commit message and should start type(scope):. (Using fix(ci): or fix(build):)
• All: Considered adding an entry to CHANGELOG.md. (N/A for verification)
• All: Considered updating the online docs in the ./docs/ directory. (N/A)
• All: Set appropriate labels for the changes (only maintainers can apply labels).
• Tests: Ran mkdocs serve locally and verified the auto-generated docs for new tests in the Test Case Reference are correctly formatted. (N/A)
• Tests: For PRs implementing a missed test case, update the post-mortem document to add an entry the list. (N/A)
• Ported Tests: All converted JSON/YML tests from ethereum/tests or tests/static have been assigned @ported_from marker. (N/A)

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