test: remove duplicated allocUnsafeSlow test

[targos]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.24%. Comparing base (968e2f4) to head (67d595f).
Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #58524      +/-   ##
==========================================
+ Coverage   90.21%   90.24%   +0.02%     
==========================================
  Files         635      635              
  Lines      187580   187580              
  Branches    36853    36862       +9     
==========================================
+ Hits       169231   169281      +50     
+ Misses      11108    11065      -43     
+ Partials     7241     7234       -7     

see 28 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/67203/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/67210/

[nodejs-github-bot]

Landed in eb159a8