[backend] feat(tests): try to increase coverage (#1)

[gabriel-peze]

Proposed changes

• Increase tests coverage on platform

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 55.72%. Comparing base (28a085b) to head (d3bec5a).
⚠️ Report is 1 commits behind head on release/current.

Additional details and impacted files

@@                  Coverage Diff                  @@
##             release/current    #4818      +/-   ##
=====================================================
+ Coverage              55.16%   55.72%   +0.56%     
- Complexity              4287     4317      +30     
=====================================================
  Files                    971      971              
  Lines                  28854    28854              
  Branches                2110     2110              
=====================================================
+ Hits                   15918    16080     +162     
+ Misses                 11999    11832     -167     
- Partials                 937      942       +5     

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