Refactor API integration tests

[serhiy-storchaka]

No description provided.

[codecov]

Codecov Report

Merging #732 (ddc903d) into master (145453a) will decrease coverage by 39.61%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master     #732       +/-   ##
===========================================
- Coverage   85.67%   46.05%   -39.62%     
===========================================
  Files          12       12               
  Lines        2080     2080               
  Branches      318      318               
===========================================
- Hits         1782      958      -824     
- Misses        189     1110      +921     
+ Partials      109       12       -97     

Flag	Coverage Δ
integration	?
unit	46.05% <ø> (ø)

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Impacted Files	Coverage Δ
platform_monitoring/api.py	21.31% <0.00%> (-58.41%)	⬇️
platform_monitoring/logs.py	38.82% <0.00%> (-48.01%)	⬇️
platform_monitoring/log_cleanup_poller.py	36.73% <0.00%> (-46.94%)	⬇️
platform_monitoring/kube_client.py	50.45% <0.00%> (-36.76%)	⬇️
platform_monitoring/user.py	37.03% <0.00%> (-33.34%)	⬇️
platform_monitoring/jobs_service.py	61.25% <0.00%> (-33.13%)	⬇️
platform_monitoring/container_runtime_client.py	36.63% <0.00%> (-29.71%)	⬇️
platform_monitoring/utils.py	69.44% <0.00%> (-25.00%)	⬇️
platform_monitoring/base.py	68.29% <0.00%> (-14.64%)	⬇️
platform_monitoring/validators.py	80.00% <0.00%> (-5.00%)	⬇️