code: def test_templates(self, _, create_task_instance_of_operator):
      dag_id = "TestGcpStorageTransferJobCreateOperator_test_templates"
      ti = create_task_instance_of_operator(
          CloudDataTransferServiceCreateJobOperator,
          dag_id=dag_id,
          body={"description": "{{ dag.dag_id }}"},
          gcp_conn_id="{{ dag.dag_id }}",
          aws_conn_id="{{ dag.dag_id }}",
          task_id="task-id",
      )
      ti.render_templates()
      assert dag_id == getattr(ti.task, "body")[DESCRIPTION]
      assert dag_id == getattr(ti.task, "gcp_conn_id")
      assert dag_id == getattr(ti.task, "aws_conn_id")
  
imports: from __future__ import annotations
  from copy import deepcopy
  from datetime import date, time
  from unittest import mock
  import pytest
  import time_machine
  from botocore.credentials import Credentials
  from airflow.exceptions import AirflowException
  from airflow.providers.google.cloud.hooks.cloud_storage_transfer_service import ACCESS_KEY_ID, AWS_ACCESS_KEY, AWS_S3_DATA_SOURCE, BUCKET_NAME, FILTER_JOB_NAMES, GCS_DATA_SINK, GCS_DATA_SOURCE, HTTP_DATA_SOURCE, LIST_URL, NAME, PATH, SCHEDULE, SCHEDULE_END_DATE, SCHEDULE_START_DATE, SECRET_ACCESS_KEY, START_TIME_OF_DAY, STATUS, TRANSFER_SPEC
  from airflow.providers.google.cloud.operators.cloud_storage_transfer_service import CloudDataTransferServiceCancelOperationOperator, CloudDataTransferServiceCreateJobOperator, CloudDataTransferServiceDeleteJobOperator, CloudDataTransferServiceGCSToGCSOperator, CloudDataTransferServiceGetOperationOperator, CloudDataTransferServiceListOperationsOperator, CloudDataTransferServicePauseOperationOperator, CloudDataTransferServiceResumeOperationOperator, CloudDataTransferServiceS3ToGCSOperator, CloudDataTransferServiceUpdateJobOperator, TransferJobPreprocessor, TransferJobValidator
  from airflow.utils import timezone
label_desc: Use image node_id 4 for calling the TestGcpStorageTransferJobCreateOperator obj's underlying member method code with example usage: obj.test_templates(_, create_task_instance_of_operator) without return types