Added tests for auth endpoints

[V3lop5]

This PR ...

adds test for authentication endpoints

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Checklist

Checklist for Contributors

• Unit tests provided?
  Unit tests are needed for new features or to reproduce the bug solved by this PR.
• Documentation updated?
• Unit tests successfull
• Code smells (flake8) checked

Checklist for Reviewers

• Read PR description
• Check linked issue
• Check CI/CD (build, automated tests, linting, preview build)
• Check documentation changes
• Add labels to PR

[github-actions]

Unit Test Results

  1 files  ±0    1 suites  ±0   4s ⏱️ -1s
20 tests +5  20 ✔️ +5  0 💤 ±0  0 ❌ ±0 

Results for commit b2557dd. ± Comparison against base commit 7f5fb9e.

[codecov-commenter]

Codecov Report

Merging #15 (b2557dd) into main (8d8623c) will increase coverage by 4.15%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #15      +/-   ##
==========================================
+ Coverage   85.43%   89.58%   +4.15%     
==========================================
  Files          55       55              
  Lines         666      701      +35     
==========================================
+ Hits          569      628      +59     
+ Misses         97       73      -24     

Flag	Coverage Δ
pytest	89.58% <100.00%> (+4.15%)	⬆️

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Impacted Files	Coverage Δ
ensysmod/model/energy_source.py	100.00% <ø> (ø)
ensysmod/api/endpoints/authentication.py	100.00% <100.00%> (+20.83%)	⬆️
tests/api/test_authentication.py	100.00% <100.00%> (ø)
ensysmod/crud/base.py	69.23% <0.00%> (+12.82%)	⬆️
ensysmod/api/deps.py	100.00% <0.00%> (+33.33%)	⬆️
ensysmod/core/security.py	92.30% <0.00%> (+38.46%)	⬆️

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