code: def test_has_job_job_doesnt_exists(self, mock_conn):
      class JobNotFoundException(Exception):
          pass
  
      mock_conn.exceptions.EntityNotFoundException = (
          JobNotFoundException
      )
      mock_conn.get_job.side_effect = JobNotFoundException()
  
      job_name = "aws_test_glue_job"
      hook = GlueJobHook(
          aws_conn_id=None, job_name=job_name, s3_bucket="some_bucket"
      )
      result = hook.has_job(job_name)
      assert result is False
      mock_conn.get_job.assert_called_once_with(JobName=job_name)
  
imports: from __future__ import annotations
  import json
  from typing import TYPE_CHECKING
  from unittest import mock
  import boto3
  import pytest
  from botocore.exceptions import ClientError
  from moto import mock_glue, mock_iam
  from airflow.exceptions import AirflowException
  from airflow.providers.amazon.aws.hooks.base_aws import AwsBaseHook
  from airflow.providers.amazon.aws.hooks.glue import GlueJobHook
label_desc: Use image node_id 5 for calling the TestGlueJobHook obj's underlying member method code with example usage: obj.test_has_job_job_doesnt_exists(mock_conn) without return types