code: def test_wait_for_job_raises_for_waiter_error(self):
      # mock delay for speedy test
      mock_jitter = mock.Mock(return_value=0)
      self.batch_waiters.add_jitter = mock_jitter
  
      with mock.patch.object(
          self.batch_waiters, "get_waiter"
      ) as get_waiter:
          mock_waiter = get_waiter.return_value
          mock_waiter.wait.side_effect = WaiterError(
              name="JobExists",
              reason="unit test error",
              last_response={},
          )
          with pytest.raises(AirflowException):
              self.batch_waiters.wait_for_job(self.job_id)
  
          assert get_waiter.call_args_list == [mock.call("JobExists")]
          mock_waiter.wait.assert_called_with(jobs=[self.job_id])
          assert mock_waiter.wait.call_count == 1
  
imports: from __future__ import annotations
  import inspect
  import itertools
  import time
  from unittest import mock
  import boto3
  import pytest
  from botocore.exceptions import ClientError, WaiterError
  from botocore.waiter import SingleWaiterConfig, WaiterModel
  from moto import mock_batch
  from airflow.exceptions import AirflowException
  from airflow.providers.amazon.aws.hooks.batch_waiters import BatchWaitersHook
  from airflow.providers.amazon.aws.utils.task_log_fetcher import AwsTaskLogFetcher
label_desc: Use image node_id 8 for calling the TestBatchWaiters obj's underlying member method code with example usage: obj.test_wait_for_job_raises_for_waiter_error() without return types