refactor: Rename global current playlist methods for clarity and consistency

tests/repositories/test_playlist.py

@@ -222,28 +222,11 @@ class TestPlaylistRepository:
         test_session: AsyncSession,
         ensure_plans: Any,
     ) -> None:
-        """Test getting current playlist when none is set."""
-        # Create test user within this test
-        user = User(
-            email="test2@example.com",
-            name="Test User 2",
-            password_hash=PasswordUtils.hash_password("password123"),
-            role="user",
-            is_active=True,
-            plan_id=ensure_plans[0].id,
-            credits=100,
-        )
-        test_session.add(user)
-        await test_session.commit()
-        await test_session.refresh(user)
+        """Test getting current playlist when none is set globally."""
+        # Test the repository method - should return None when no current playlist is set globally
+        playlist = await playlist_repository.get_current_playlist()
 
-        # Extract user ID immediately after refresh
-        user_id = user.id
-
-        # Test the repository method - should return None when no current playlist
-        playlist = await playlist_repository.get_current_playlist(user_id)
-
-        # Should return None since no user playlist is marked as current
+        # Should return None since no playlist is marked as current globally
         assert playlist is None
 
     @pytest.mark.asyncio