Refactor user endpoint tests to include pagination and response structure validation

- Updated tests for listing users to validate pagination and response format.
- Changed mock return values to include total count and pagination details.
- Refactored user creation mocks for clarity and consistency.
- Enhanced assertions to check for presence of pagination fields in responses.
- Adjusted test cases for user retrieval and updates to ensure proper handling of user data.
- Improved readability by restructuring mock definitions and assertions across various test files.

app/services/playlist.py

@@ -16,6 +16,7 @@ logger = get_logger(__name__)
 
 class PaginatedPlaylistsResponse(TypedDict):
     """Response type for paginated playlists."""
+
     playlists: list[dict]
     total: int
     page: int
@@ -286,7 +287,7 @@ class PlaylistService:
     ) -> PaginatedPlaylistsResponse:
         """Search and sort playlists with pagination."""
         offset = (page - 1) * limit
-        
+
         playlists, total_count = await self.playlist_repo.search_and_sort(
             search_query=search_query,
             sort_by=sort_by,
@@ -299,9 +300,9 @@ class PlaylistService:
             current_user_id=current_user_id,
             return_count=True,
         )
-        
+
         total_pages = (total_count + limit - 1) // limit  # Ceiling division
-        
+
         return PaginatedPlaylistsResponse(
             playlists=playlists,
             total=total_count,
@@ -468,7 +469,9 @@ class PlaylistService:
         }
 
     async def add_sound_to_main_playlist(
-        self, sound_id: int, user_id: int,  # noqa: ARG002
+        self,
+        sound_id: int,  # noqa: ARG002
+        user_id: int,  # noqa: ARG002
     ) -> None:
         """Add a sound to the global main playlist."""
         raise HTTPException(
@@ -477,7 +480,9 @@ class PlaylistService:
         )
 
     async def _add_sound_to_main_playlist_internal(
-        self, sound_id: int, user_id: int,
+        self,
+        sound_id: int,
+        user_id: int,
     ) -> None:
         """Add sound to main playlist bypassing restrictions.