feat: more robust backend code and cleanup in tests (#354)

[holtgrewe]

No description provided.

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (e0e73ee) 75.00% compared to head (e9f0e80) 94.28%.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #356       +/-   ##
===========================================
+ Coverage   75.00%   94.28%   +19.27%     
===========================================
  Files         172       53      -119     
  Lines        6865     1504     -5361     
  Branches     1513        0     -1513     
===========================================
- Hits         5149     1418     -3731     
+ Misses       1515       86     -1429     
+ Partials      201        0      -201     

Files	Coverage Δ
backend/app/api/api_v1/api.py	75.75% <ø> (+21.59%)	⬆️
backend/app/api/api_v1/endpoints/acmgseqvar.py	100.00% <100.00%> (+30.61%)	⬆️
backend/app/api/api_v1/endpoints/bookmarks.py	100.00% <100.00%> (+24.39%)	⬆️
backend/app/api/api_v1/endpoints/caseinfo.py	100.00% <100.00%> (+26.53%)	⬆️
backend/app/api/api_v1/endpoints/clinvarsub.py	97.29% <ø> (+51.09%)	⬆️
backend/app/core/config.py	96.29% <ø> (+4.53%)	⬆️
backend/app/db/init_db.py	100.00% <ø> (+17.24%)	⬆️
backend/app/etc/utils.py	100.00% <ø> (+11.76%)	⬆️
backend/app/main.py	89.18% <100.00%> (+2.09%)	⬆️
backend/app/api/internal/endpoints/remote.py	92.77% <95.83%> (+30.74%)	⬆️

... and 121 files with indirect coverage changes