feat: HMAC System tests

[jkwlui]

No description provided.

[codecov]

Codecov Report

Merging #750 into hmac-sa-admin will increase coverage by 1.41%.
The diff coverage is n/a.

@@                Coverage Diff                @@
##           hmac-sa-admin     #750      +/-   ##
=================================================
+ Coverage          95.14%   96.55%   +1.41%     
=================================================
  Files                 11        9       -2     
  Lines               1194     1132      -62     
  Branches             296      287       -9     
=================================================
- Hits                1136     1093      -43     
+ Misses                30       11      -19     
  Partials              28       28

Impacted Files	Coverage Δ
src/storage.ts	97.36% <0%> (-0.85%)	⬇️
src/index.ts	100% <0%> (ø)	⬆️
src/bucket.ts	92.68% <0%> (ø)	⬆️
src/file.ts	98.12% <0%> (ø)	⬆️
src/hmacKey.ts
bin/benchwrapper.js

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