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 76.35%. Comparing base (50eb6a7) to head (af6759d).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1384      +/-   ##
===========================================
+ Coverage    74.42%   76.35%   +1.92%     
===========================================
  Files          927      938      +11     
  Lines        15284    15938     +654     
  Branches      1701     1903     +202     
===========================================
+ Hits         11375    12169     +794     
+ Misses        3904     3762     -142     
- Partials         5        7       +2     

Flag	Coverage Δ
contracts	96.98% <ø> (?)
packages	75.73% <100.00%> (+1.30%)	⬆️

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