Draft: Permanent Delete Tests

Summary

Added testing support for permanent delete:

• Tests for permanent delete incl. checks with Cordra & Handle system
• Tests for logging entries

Check List for the Author

• All automated tests pass
• Reference related issues
• Appropriate user and developer documentation for new code
  • How do I use, develop or debug the software?
• Annotations in code (Gitlab comments)
  • Intent of new code, Problems with old code, Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Appropriate user and developer documentation for new code
• The test environment setup works and the intended behavior is reproducible in the test environment