code: def test_execute_fallback_temp_dir(self, caplog):
      self.client_mock.create_container.side_effect = [
          APIError(message=f"wrong path: {TEMPDIR_MOCK_RETURN_VALUE}"),
          {"Id": "some_id"},
      ]
  
      stringio_patcher = mock.patch(
          "airflow.providers.docker.operators.docker.StringIO"
      )
      stringio_mock = stringio_patcher.start()
      stringio_mock.side_effect = lambda *args: args[0]
  
      operator = DockerOperator(
          api_version="1.19",
          command="env",
          environment={"UNIT": "TEST"},
          private_environment={"PRIVATE": "MESSAGE"},
          env_file="ENV=FILE\nVAR=VALUE",
          image=TEST_IMAGE,
          network_mode="bridge",
          owner="unittest",
          task_id="unittest",
          mounts=[
              Mount(
                  source="/host/path",
                  target="/container/path",
                  type="bind",
              )
          ],
          mount_tmp_dir=True,
          entrypoint=TEST_ENTRYPOINT,
          working_dir="/container/path",
          shm_size=1000,
          host_tmp_dir=TEST_HOST_TEMP_DIRECTORY,
          tmp_dir=TEST_AIRFLOW_TEMP_DIRECTORY,
          container_name="test_container",
          tty=True,
      )
      caplog.clear()
      with caplog.at_level(logging.WARNING, logger=operator.log.name):
          operator.execute(None)
          warning_message = (
              "Using remote engine or docker-in-docker and mounting temporary volume from host "
              "is not supported. Falling back to `mount_tmp_dir=False` mode. "
              "You can set `mount_tmp_dir` parameter to False to disable mounting and remove the warning"
          )
          assert warning_message in caplog.messages
  
      self.client_mock.create_container.assert_has_calls(
          [
              call(
                  command="env",
                  name="test_container",
                  environment={
                      "AIRFLOW_TMP_DIR": TEST_AIRFLOW_TEMP_DIRECTORY,
                      "UNIT": "TEST",
                      "PRIVATE": "MESSAGE",
                      "ENV": "FILE",
                      "VAR": "VALUE",
                  },
                  host_config=self.client_mock.create_host_config.return_value,
                  image=TEST_IMAGE,
                  user=None,
                  entrypoint=["sh", "-c"],
                  working_dir="/container/path",
                  tty=True,
                  hostname=None,
                  ports=[],
              ),
              call(
                  command="env",
                  name="test_container",
                  environment={
                      "UNIT": "TEST",
                      "PRIVATE": "MESSAGE",
                      "ENV": "FILE",
                      "VAR": "VALUE",
                  },
                  host_config=self.client_mock.create_host_config.return_value,
                  image=TEST_IMAGE,
                  user=None,
                  entrypoint=["sh", "-c"],
                  working_dir="/container/path",
                  tty=True,
                  hostname=None,
                  ports=[],
              ),
          ]
      )
      self.client_mock.create_host_config.assert_has_calls(
          [
              call(
                  mounts=[
                      Mount(
                          source="/host/path",
                          target="/container/path",
                          type="bind",
                      ),
                      Mount(
                          source="/mkdtemp",
                          target=TEST_AIRFLOW_TEMP_DIRECTORY,
                          type="bind",
                      ),
                  ],
                  network_mode="bridge",
                  shm_size=1000,
                  cpu_shares=1024,
                  mem_limit=None,
                  auto_remove=False,
                  dns=None,
                  dns_search=None,
                  cap_add=None,
                  extra_hosts=None,
                  privileged=False,
                  device_requests=None,
                  log_config=LogConfig(config={}),
                  ipc_mode=None,
                  port_bindings={},
                  ulimits=[],
              ),
              call(
                  mounts=[
                      Mount(
                          source="/host/path",
                          target="/container/path",
                          type="bind",
                      ),
                  ],
                  network_mode="bridge",
                  shm_size=1000,
                  cpu_shares=1024,
                  mem_limit=None,
                  auto_remove=False,
                  dns=None,
                  dns_search=None,
                  cap_add=None,
                  extra_hosts=None,
                  privileged=False,
                  device_requests=None,
                  log_config=LogConfig(config={}),
                  ipc_mode=None,
                  port_bindings={},
                  ulimits=[],
              ),
          ]
      )
      self.tempdir_mock.assert_called_once_with(
          dir=TEST_HOST_TEMP_DIRECTORY, prefix="airflowtmp"
      )
      self.client_mock.images.assert_called_once_with(name=TEST_IMAGE)
      self.client_mock.attach.assert_called_once_with(
          container="some_id", stdout=True, stderr=True, stream=True
      )
      self.client_mock.pull.assert_called_once_with(
          TEST_IMAGE, stream=True, decode=True
      )
      self.client_mock.wait.assert_called_once_with("some_id")
      assert (
          operator.cli.pull(TEST_IMAGE, stream=True, decode=True)
          == self.client_mock.pull.return_value
      )
      stringio_mock.assert_called_with("ENV=FILE\nVAR=VALUE")
      self.dotenv_mock.assert_called_with(stream="ENV=FILE\nVAR=VALUE")
      stringio_patcher.stop()
  
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 4 for calling the TestDockerOperator obj's underlying member method code with example usage: obj.test_execute_fallback_temp_dir(caplog) without return types