test: use assert.match for variable-based regexp tests

[Renegade334]

These cases can't be linted without type parsing, but we may as well change them alongside the others.

Refs: #60832

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.55%. Comparing base (08d966c) to head (bc74a37).
⚠️ Report is 12 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #60879      +/-   ##
==========================================
+ Coverage   88.54%   88.55%   +0.01%     
==========================================
  Files         703      703              
  Lines      208291   208291              
  Branches    40170    40172       +2     
==========================================
+ Hits       184430   184458      +28     
+ Misses      15865    15834      -31     
- Partials     7996     7999       +3     

see 44 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/70343/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/70348/

[nodejs-github-bot]

Landed in 6274eb7