test: fix compiler warnings in test_node_crypto.cc

[mpatankar6]

test: fix compiler warnings in test_node_crypto.cc

Fixes the warnings by using the correct literal type. Also removed some
assertions which were just identity tests for constexprs. The bounds
checks are sufficient to verify the constants are nonzero and reasonable,
and will survive OpenSSL changes without needing to be updated.

Fixes: #63325

Signed-off-by: Mihir Patankar mpatankar06@gmail.com

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.05%. Comparing base (ee11c35) to head (f48223e).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #63341      +/-   ##
==========================================
- Coverage   90.05%   90.05%   -0.01%     
==========================================
  Files         714      714              
  Lines      225490   225490              
  Branches    42633    42635       +2     
==========================================
- Hits       203072   203069       -3     
  Misses      14193    14193              
- Partials     8225     8228       +3     

see 24 files with indirect coverage changes

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