code: def test_should_drop_index(self):
      index_name = "index_name"
      self._create_index(index_name)
  
      index_obj = self.evadb.catalog().get_index_catalog_entry_by_name(
          index_name
      )
      self.assertTrue(index_obj is not None)
  
      # Test that dropping the wrong Index:
      # - does not affect Indexes in the catalog
      # - raises an appropriate exception
      wrong_function_name = "wrong_function_name"
      drop_query = f"DROP INDEX {wrong_function_name};"
      with self.assertRaises(ExecutorError):
          execute_query_fetch_all(
              self.evadb, drop_query, do_not_print_exceptions=True
          )
      obj = self.evadb.catalog().get_index_catalog_entry_by_name(
          index_name
      )
      self.assertTrue(obj is not None)
  
      # Test that dropping the Index reflects in the catalog
      drop_query = f"DROP INDEX IF EXISTS {index_name};"
      execute_query_fetch_all(self.evadb, drop_query)
      index_obj = self.evadb.catalog().get_index_catalog_entry_by_name(
          index_name
      )
      self.assertTrue(index_obj is None)
  
imports: import unittest
  from pathlib import Path
  from test.util import create_sample_video, file_remove, get_evadb_for_testing
  import pandas
  import pytest
  from evadb.catalog.catalog_utils import get_video_table_column_definitions
  from evadb.executor.executor_utils import ExecutorError
  from evadb.models.storage.batch import Batch
  from evadb.server.command_handler import execute_query_fetch_all
  from evadb.storage.storage_engine import StorageEngine
label_desc: Use image node_id 8 for calling the DropObjectExecutorTest obj's underlying member method code with example usage: obj.test_should_drop_index() without return types