test: adapt buffer test for v8 sandbox

[codebytere]

Refs #60405

This test will fail for V8 sandboxed builds, where the upper bound will be 2³⁵ - 1 instead of Number.MAX_SAFE_INTEGER.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.75%. Comparing base (04946a7) to head (b1bbd4c).
⚠️ Report is 10 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #61772      +/-   ##
==========================================
+ Coverage   89.73%   89.75%   +0.01%     
==========================================
  Files         675      675              
  Lines      204648   204648              
  Branches    39330    39330              
==========================================
+ Hits       183651   183684      +33     
+ Misses      13282    13250      -32     
+ Partials     7715     7714       -1     

see 46 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/71306/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/71319/