test: replace should with node:assert

[jimmywarting]

Part of #1779

Checklist

• I have ensured my pull request is not behind the main or master branch of the original repository.
• I have rebased all commits where necessary so that reviewing this pull request can be done without having to merge it first.
• I have written a commit message that passes commitlint linting.
• I have ensured that my code changes pass linting tests.
• I have ensured that my code changes pass unit tests.
• I have described my pull request and the reasons for code changes along with context if necessary.

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (83e92cb) 94.39% compared to head (a679c6a) 94.39%.
Report is 1 commits behind head on master.

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Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1782   +/-   ##
=======================================
  Coverage   94.39%   94.39%           
=======================================
  Files          14       14           
  Lines        1141     1141           
=======================================
  Hits         1077     1077           
  Misses         64       64           

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[titanism]

So clean 🧼 !