test for various endpoints in the external_result module

[DraKen0009]

Proposed Changes

• Added test for various endpoints in the external_result module

Associated Issue

• fixes Adds test for various endpoints in the external_result module #2033

Merge Checklist

• Tests added/fixed
• Linting Complete

Only PR's with test cases included and passing lint and test pipelines will be reviewed

@coronasafe/care-backend-maintainers @coronasafe/care-backend-admins

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 62.62%. Comparing base (8dee3d9) to head (13bb884).

❗ Current head 13bb884 differs from pull request most recent head abd7cee. Consider uploading reports for the commit abd7cee to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2034      +/-   ##
===========================================
+ Coverage    62.60%   62.62%   +0.01%     
===========================================
  Files          223      223              
  Lines        12277    12270       -7     
  Branches      1750     1752       +2     
===========================================
- Hits          7686     7684       -2     
+ Misses        4269     4258      -11     
- Partials       322      328       +6     

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[DraKen0009]

@sainak Updated. Please have a look