fix test issues

tests/integration/test_download_flow.py

@@ -83,10 +83,17 @@ def mock_series_app():
 
 
 @pytest.fixture
-def mock_anime_service(mock_series_app):
+def mock_anime_service(mock_series_app, tmp_path):
     """Create a mock AnimeService."""
-    with patch("src.server.services.anime_service.SeriesApp", return_value=mock_series_app):
-        service = AnimeService()
+    # Create a temporary directory for the service
+    test_dir = tmp_path / "anime"
+    test_dir.mkdir()
+    
+    with patch(
+        "src.server.services.anime_service.SeriesApp",
+        return_value=mock_series_app
+    ):
+        service = AnimeService(directory=str(test_dir))
         service.download = AsyncMock(return_value=True)
         yield service