chore: Migrate block of unit tests to node:test

[jsumners-nr]

This PR resolves #2606.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.18%. Comparing base (8d1acff) to head (cd41aba).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2607      +/-   ##
==========================================
- Coverage   97.23%   97.18%   -0.05%     
==========================================
  Files         291      291              
  Lines       45941    45941              
==========================================
- Hits        44670    44648      -22     
- Misses       1271     1293      +22     

Flag	Coverage Δ
integration-tests-cjs-18.x	74.16% <ø> (ø)
integration-tests-cjs-20.x	74.18% <ø> (ø)
integration-tests-cjs-22.x	74.22% <ø> (ø)
integration-tests-esm-18.x	49.68% <ø> (ø)
integration-tests-esm-20.x	49.68% <ø> (ø)
integration-tests-esm-22.x	49.71% <ø> (ø)
unit-tests-18.x	88.86% <ø> (ø)
unit-tests-20.x	88.86% <ø> (ø)
unit-tests-22.x	88.87% <ø> (ø)
versioned-tests-18.x	78.96% <ø> (-0.19%)	⬇️
versioned-tests-20.x	78.96% <ø> (-0.19%)	⬇️
versioned-tests-22.x	78.97% <ø> (-0.19%)	⬇️

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[bizob2828]

LGTM