test: remove sync_legacy_series_to_db tests

- Removed TestSyncSeriesFromDataFiles class from test_anime_service.py
- Updated TestSyncAnimeFolders tests to expect sync_count=0
- Removed TestSyncSeriesToDatabase class from test_data_file_db_sync.py

tests/integration/test_data_file_db_sync.py

@@ -110,81 +110,6 @@ class TestGetAllSeriesFromDataFiles:
             assert len(result) == 0
 
 
-class TestSyncSeriesToDatabase:
-    """Test sync_legacy_series_to_db function from anime_service."""
-
-    @pytest.mark.asyncio
-    async def test_sync_with_empty_directory(self):
-        """Test sync with empty anime directory."""
-        from src.server.services.anime_service import sync_legacy_series_to_db
-
-        with tempfile.TemporaryDirectory() as tmp_dir:
-            with patch('src.server.SeriesApp.Loaders'), \
-                 patch('src.server.SeriesApp.SerieScanner'):
-                count = await sync_legacy_series_to_db(tmp_dir)
-
-                assert count == 0
-                # Function should complete successfully with no series
-
-    @pytest.mark.asyncio
-    async def test_sync_adds_new_series_to_database(self):
-        """Test that sync adds new series to database.
-        
-        This is a more realistic test that verifies series data is loaded
-        from files and the sync function attempts to add them to the DB.
-        The actual DB interaction is tested in test_add_to_db_creates_record.
-        """
-        from src.server.services.anime_service import sync_legacy_series_to_db
-
-        with tempfile.TemporaryDirectory() as tmp_dir:
-            # Create test data files
-            _create_test_data_file(
-                tmp_dir,
-                folder="Sync Test Anime",
-                key="sync-test-anime",
-                name="Sync Test Anime",
-                episodes={1: [1, 2]}
-            )
-
-            # First verify that we can load the series from files
-            with patch('src.server.SeriesApp.Loaders'), \
-                 patch('src.server.SeriesApp.SerieScanner'):
-                app = SeriesApp(tmp_dir)
-                series = app.get_all_series_from_data_files()
-                assert len(series) == 1
-                assert series[0].key == "sync-test-anime"
-
-            # Now test that the sync function loads series and handles DB
-            # gracefully (even if DB operations fail, it should not crash)
-            with patch('src.server.SeriesApp.Loaders'), \
-                 patch('src.server.SeriesApp.SerieScanner'):
-                # The function should return 0 because DB isn't available
-                # but should not crash
-                count = await sync_legacy_series_to_db(tmp_dir)
-
-                # Since no real DB, it will fail gracefully
-                # Function returns 0 when DB operations fail
-                assert isinstance(count, int)
-                assert count == 0
-
-    @pytest.mark.asyncio
-    async def test_sync_handles_exceptions_gracefully(self):
-        """Test that sync handles exceptions without crashing."""
-        from src.server.services.anime_service import sync_legacy_series_to_db
-
-        # Make SeriesApp raise an exception during initialization
-        with patch('src.server.SeriesApp.Loaders'), \
-             patch('src.server.SeriesApp.SerieScanner'), \
-             patch(
-                'src.server.SeriesApp.SerieList',
-                side_effect=Exception("Test error")
-             ):
-            count = await sync_legacy_series_to_db("/fake/path")
-
-            assert count == 0
-            # Function should complete without crashing
-
-
 class TestEndToEndSync:
     """End-to-end tests for the sync functionality."""