code: def test_write(self):
      batch = MagicMock()
      batch.frames = []
      table = MagicMock()
      table.file_url = Exception()
      with self.assertRaises(Exception):
          self.video_engine.write(table, batch)
  
imports: import unittest
  from test.util import create_sample_video, get_evadb_for_testing, suffix_pytest_xdist_worker_id_to_dir
  from unittest.mock import MagicMock
  import mock
  import pandas
  import pytest
  from evadb.catalog.catalog_type import ColumnType, NdArrayType, TableType
  from evadb.catalog.models.column_catalog import ColumnCatalogEntry
  from evadb.catalog.models.table_catalog import TableCatalogEntry
  from evadb.models.storage.batch import Batch
  from evadb.storage.storage_engine import StorageEngine
label_desc: Use image node_id 6 for calling the VideoStorageEngineTest obj's underlying member method code with example usage: obj.test_write() without return types