code: def test_has_crawler_crawled_doesnt_exists(self, mock_get_conn):
      class MockException(Exception):
          pass
  
      mock_get_conn.return_value.exceptions.EntityNotFoundException = (
          MockException
      )
      mock_get_conn.return_value.get_crawler.side_effect = (
          MockException("AAA")
      )
      assert self.hook.has_crawler(mock_crawler_name) is False
      mock_get_conn.return_value.get_crawler.assert_called_once_with(
          Name=mock_crawler_name
      )
  
imports: from __future__ import annotations
  from copy import deepcopy
  from typing import TYPE_CHECKING
  from unittest import mock
  from moto import mock_sts
  from moto.core import DEFAULT_ACCOUNT_ID
  from airflow.providers.amazon.aws.hooks.glue_crawler import GlueCrawlerHook
label_desc: Use image node_id 4 for calling the TestGlueCrawlerHook obj's underlying member method code with example usage: obj.test_has_crawler_crawled_doesnt_exists(mock_get_conn) without return types