fix(api-http): unit and integration test coverage

[oXtxNt9U]

Summary

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.13%. Comparing base (6fd75c1) to head (3e15b8b).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1384      +/-   ##
===========================================
+ Coverage    62.54%   67.13%   +4.58%     
===========================================
  Files          963      967       +4     
  Lines        65540    65984     +444     
  Branches      2237     2544     +307     
===========================================
+ Hits         40993    44296    +3303     
+ Misses       24308    21447    -2861     
- Partials       239      241       +2     

Flag	Coverage Δ
contracts	97.74% <ø> (?)
integration	91.96% <100.00%> (?)
packages	66.77% <100.00%> (+4.22%)	⬆️

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