Add unit tests for auth

**Description**
Currently helpers lacks proper filtering support.

**Proposed solution**
Add configurable filtering with sensible defaults.

**Priority**: Low/Medium

No file or test path is provided. Start by locating the helpers referenced in the description and the existing auth tests, then clarify how filtering should be configured and which defaults are expected. Done means the intended filtering behavior is covered by unit tests and the scope matches the auth-related request.

Written by the indexing model from the issue text.