code: def test_get_job(self, mock_batch_service_client, cloud_batch_hook):
      cloud_batch_hook.get_job("job1")
      cloud_batch_hook._client.get_job.assert_called_once_with(
          name="job1"
      )
  
imports: from __future__ import annotations
  from unittest import mock
  import pytest
  from google.cloud.batch import ListJobsRequest
  from google.cloud.batch_v1 import CreateJobRequest, Job, JobStatus
  from airflow.exceptions import AirflowException
  from airflow.providers.google.cloud.hooks.cloud_batch import CloudBatchAsyncHook, CloudBatchHook
  from tests.providers.google.cloud.utils.base_gcp_mock import mock_base_gcp_hook_default_project_id
label_desc: Use image node_id 4 for calling the TestCloudBathHook obj's underlying member method code with example usage: obj.test_get_job(mock_batch_service_client, cloud_batch_hook) without return types