Add the missing test coverage

- [ ] Improve Importer Testing
Write tests to verify the functionality of the Importer class. These tests should cover various scenarios, including successful imports, error handling, and edge cases

- [ ] Test User Permissions
Create automated tests that ensure users have the necessary permissions to manage objects. This could involve testing different user roles and access levels.

- [ ] Test Unexpected Data Handling
Implement tests to check how the system behaves when unexpected data is sent to the inbox or outbox. This might involve invalid formats, missing fields, or data exceeding size limits.

- [ ] Test and verify Federated Authentication Flow