- Add missing TMDB async mock methods (_ensure_session, close)
to all TMDB mocks in test_nfo_workflow.py
- Refactor test_anime_add_nfo_isolation.py to mock get_nfo_factory()
instead of asserting on series_app.nfo_service directly
- Patch get_nfo_factory in test_background_loader_service.py
to align with factory-based NFOService creation
Fixes test failures caused by NFOService refactoring that introduced
explicit TMDB session lifecycle and NFO factory pattern.