Refactor test cases for improved readability and consistency

- Adjusted function signatures in various test files to enhance clarity by aligning parameters.
- Updated patching syntax for better readability across test cases.
- Improved formatting and spacing in test assertions and mock setups.
- Ensured consistent use of async/await patterns in async test functions.
- Enhanced comments for better understanding of test intentions.

app/repositories/extraction.py

@@ -1,6 +1,5 @@
 """Extraction repository for database operations."""
 
-
 from sqlalchemy import desc
 from sqlmodel import select
 from sqlmodel.ext.asyncio.session import AsyncSession
@@ -17,12 +16,15 @@ class ExtractionRepository(BaseRepository[Extraction]):
         super().__init__(Extraction, session)
 
     async def get_by_service_and_id(
-        self, service: str, service_id: str,
+        self,
+        service: str,
+        service_id: str,
     ) -> Extraction | None:
         """Get an extraction by service and service_id."""
         result = await self.session.exec(
             select(Extraction).where(
-                Extraction.service == service, Extraction.service_id == service_id,
+                Extraction.service == service,
+                Extraction.service_id == service_id,
             ),
         )
         return result.first()