code: def test_dont_create_task(self, mock_get_conn):
      # ### Set up mocks:
      mock_get_conn.return_value = self.client
      # ### Begin tests:
  
      tasks = self.client.list_tasks()
      tasks_before = len(tasks["Tasks"])
  
      self.set_up_operator(task_arn=self.task_arn)
      self.datasync.execute(None)
  
      tasks = self.client.list_tasks()
      tasks_after = len(tasks["Tasks"])
      assert tasks_before == tasks_after
      # ### Check mocks:
      mock_get_conn.assert_called()
  
imports: from __future__ import annotations
  from unittest import mock
  import boto3
  import pytest
  from moto import mock_datasync
  from airflow.exceptions import AirflowException
  from airflow.models import DAG, DagRun, TaskInstance
  from airflow.providers.amazon.aws.hooks.datasync import DataSyncHook
  from airflow.providers.amazon.aws.operators.datasync import DataSyncOperator
  from airflow.utils import timezone
  from airflow.utils.timezone import datetime
label_desc: Use image node_id 6 for calling the TestDataSyncOperatorCreate obj's underlying member method code with example usage: obj.test_dont_create_task(mock_get_conn) without return types