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.

tests/api/v1/test_socket_endpoints.py

@@ -158,7 +158,9 @@ class TestSocketEndpoints:
 
     @pytest.mark.asyncio
     async def test_send_message_missing_parameters(
-        self, authenticated_client: AsyncClient, authenticated_user: User,
+        self,
+        authenticated_client: AsyncClient,
+        authenticated_user: User,
     ) -> None:
         """Test sending message with missing parameters."""
         # Missing target_user_id
@@ -177,7 +179,9 @@ class TestSocketEndpoints:
 
     @pytest.mark.asyncio
     async def test_broadcast_message_missing_parameters(
-        self, authenticated_client: AsyncClient, authenticated_user: User,
+        self,
+        authenticated_client: AsyncClient,
+        authenticated_user: User,
     ) -> None:
         """Test broadcasting message with missing parameters."""
         response = await authenticated_client.post("/api/v1/socket/broadcast")
@@ -185,7 +189,9 @@ class TestSocketEndpoints:
 
     @pytest.mark.asyncio
     async def test_send_message_invalid_user_id(
-        self, authenticated_client: AsyncClient, authenticated_user: User,
+        self,
+        authenticated_client: AsyncClient,
+        authenticated_user: User,
     ) -> None:
         """Test sending message with invalid user ID."""
         response = await authenticated_client.post(