Pseudonymization class method tests

[fexfl]

• Added tests for all methods in Pseudonymization class
• Added spacy models to requirements
• Added check in init_spacy which downloads the spacy model if not present

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.02%. Comparing base (f8e9afd) to head (61732c9).
Report is 17 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main      #47       +/-   ##
===========================================
+ Coverage   61.16%   92.02%   +30.86%     
===========================================
  Files           4        4               
  Lines         224      326      +102     
===========================================
+ Hits          137      300      +163     
+ Misses         87       26       -61     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud