code: def test_execute_xcom_behavior_no_result(self):
      self.log_messages = []
      self.client_mock.pull.return_value = [b'{"status":"pull log"}']
      self.client_mock.attach.return_value = iter([])
  
      kwargs = {
          "api_version": "1.19",
          "command": "env",
          "environment": {"UNIT": "TEST"},
          "private_environment": {"PRIVATE": "MESSAGE"},
          "image": "ubuntu:latest",
          "network_mode": "bridge",
          "owner": "unittest",
          "task_id": "unittest",
          "mounts": [
              Mount(
                  source="/host/path",
                  target="/container/path",
                  type="bind",
              )
          ],
          "working_dir": "/container/path",
          "shm_size": 1000,
          "host_tmp_dir": "/host/airflow",
          "container_name": "test_container",
          "tty": True,
      }
  
      xcom_push_operator = DockerOperator(
          **kwargs, do_xcom_push=True, xcom_all=False
      )
      xcom_all_operator = DockerOperator(
          **kwargs, do_xcom_push=True, xcom_all=True
      )
      no_xcom_push_operator = DockerOperator(
          **kwargs, do_xcom_push=False
      )
  
      xcom_push_result = xcom_push_operator.execute(None)
      xcom_all_result = xcom_all_operator.execute(None)
      no_xcom_push_result = no_xcom_push_operator.execute(None)
  
      assert xcom_push_result is None
      assert xcom_all_result is None
      assert no_xcom_push_result is None
  
imports: from __future__ import annotations
  import logging
  from unittest import mock
  from unittest.mock import call
  import pytest
  from docker import APIClient
  from docker.errors import APIError
  from docker.types import DeviceRequest, LogConfig, Mount, Ulimit
  from airflow.exceptions import AirflowException, AirflowProviderDeprecationWarning, AirflowSkipException
  from airflow.providers.docker.exceptions import DockerContainerFailedException
  from airflow.providers.docker.operators.docker import DockerOperator
label_desc: Use image node_id 13 for calling the TestDockerOperator obj's underlying member method code with example usage: obj.test_execute_xcom_behavior_no_result() without return types