tools: improve output for unexpected passes in WTP tests

[aduh95]

I find it quite hard to decipher which one passes unexpectedly

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.71%. Comparing base (bf1aebc) to head (9c5cdd7).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #62587      +/-   ##
==========================================
- Coverage   89.72%   89.71%   -0.01%     
==========================================
  Files         695      695              
  Lines      214464   214476      +12     
  Branches    41067    41064       -3     
==========================================
+ Hits       192420   192426       +6     
- Misses      14106    14108       +2     
- Partials     7938     7942       +4     

see 32 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/72493/