test: treat tests without a callback as todo

[AyushShende2679]

Summary

Tests created without a callback are currently reported as passing tests.

For example:

test('test with no callback');

[nodejs-github-bot]

Review requested:

• @nodejs/test_runner

[github-actions]

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[JakobJingleheimer]

The correct submodule is test_runner (confusing, I know).

I think I agree with this idea (I haven't looked at the implementation yet).

[MikeMcC399]

This PR is failing almost all tests. See the comments in the tests for more detail.

See also Pull requests > Step 6: Test with further details in the linked document section BUILDING > Running tests.

To run the linter, use make lint / vcbuild lint. It will lint JavaScript, C++, and Markdown files.

[codecov]

Codecov Report

❌ Patch coverage is 93.10345% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.36%. Comparing base (cede7e6) to head (314cf63).
⚠️ Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/internal/test_runner/test.js	93.10%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #66435      +/-   ##
==========================================
- Coverage   90.39%   90.36%   -0.03%     
==========================================
  Files         792      792              
  Lines      275697   275733      +36     
  Branches    52868    52861       -7     
==========================================
- Hits       249208   249166      -42     
- Misses      16892    16952      +60     
- Partials     9597     9615      +18     

Files with missing lines	Coverage Δ
lib/internal/test_runner/test.js	96.52% <93.10%> (-1.43%)	⬇️

... and 30 files with indirect coverage changes

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