common: add test for hmac and sha2.

[dajiaji]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 81.81818% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.24%. Comparing base (8bb2312) to head (18b5836).

Files with missing lines	Patch %	Lines
packages/common/src/utils/noble.ts	81.81%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #599      +/-   ##
==========================================
+ Coverage   75.60%   81.24%   +5.64%     
==========================================
  Files          82       82              
  Lines        8191     8213      +22     
  Branches      598      651      +53     
==========================================
+ Hits         6193     6673     +480     
+ Misses       1990     1529     -461     
- Partials        8       11       +3     

Flag	Coverage Δ
unittests	81.24% <81.81%> (+5.64%)	⬆️

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