Refactor test files for improved readability and consistency

- Removed unnecessary blank lines and adjusted formatting in test files.
- Ensured consistent use of commas in function calls and assertions across various test cases.
- Updated import statements for better organization and clarity.
- Enhanced mock setups in tests for better isolation and reliability.
- Improved assertions to follow a consistent style for better readability.

tests/services/test_sound_scanner.py

@@ -153,7 +153,7 @@ class TestSoundScannerService:
                     "files": [],
                 }
                 await scanner_service._sync_audio_file(
-                    temp_path, "SDB", existing_sound, results
+                    temp_path, "SDB", existing_sound, results,
                 )
 
                 assert results["skipped"] == 1
@@ -257,7 +257,7 @@ class TestSoundScannerService:
                     "files": [],
                 }
                 await scanner_service._sync_audio_file(
-                    temp_path, "SDB", existing_sound, results
+                    temp_path, "SDB", existing_sound, results,
                 )
 
                 assert results["updated"] == 1
@@ -296,7 +296,7 @@ class TestSoundScannerService:
         # Mock file operations
         with (
             patch(
-                "app.services.sound_scanner.get_file_hash", return_value="custom_hash"
+                "app.services.sound_scanner.get_file_hash", return_value="custom_hash",
             ),
             patch("app.services.sound_scanner.get_audio_duration", return_value=60000),
             patch("app.services.sound_scanner.get_file_size", return_value=2048),
@@ -316,7 +316,7 @@ class TestSoundScannerService:
                     "files": [],
                 }
                 await scanner_service._sync_audio_file(
-                    temp_path, "CUSTOM", None, results
+                    temp_path, "CUSTOM", None, results,
                 )
 
                 assert results["added"] == 1