code: def test_create_job_flow_uses_the_emr_config_to_create_a_cluster(
      self,
  ):
      client = boto3.client("emr", region_name="us-east-1")
  
      hook = EmrHook(
          aws_conn_id="aws_default",
          emr_conn_id="emr_default",
          region_name="us-east-1",
      )
      cluster = hook.create_job_flow(
          {
              "Name": "test_cluster",
              "Instances": {"KeepJobFlowAliveWhenNoSteps": False},
          }
      )
  
      assert (
          client.list_clusters()["Clusters"][0]["Id"]
          == cluster["JobFlowId"]
      )
  
imports: from __future__ import annotations
  import re
  from unittest import mock
  import boto3
  import pytest
  from botocore.exceptions import WaiterError
  from moto import mock_emr
  from airflow.exceptions import AirflowException
  from airflow.providers.amazon.aws.hooks.emr import EmrHook
label_desc: Use image node_id 3 for calling the TestEmrHook obj's underlying member method code with example usage: obj.test_create_job_flow_uses_the_emr_config_to_create_a_cluster() without return types