code: def testCanLaunch(self):
      self.assertTrue(
          docker_component_launcher.DockerComponentLauncher.can_launch(
              executor_spec.ExecutorContainerSpec(image="test"),
              component_config=None,
          )
      )
      self.assertFalse(
          docker_component_launcher.DockerComponentLauncher.can_launch(
              executor_spec.ExecutorClassSpec(
                  base_executor.BaseExecutor
              ),
              component_config=None,
          )
      )
  
imports: import os
  from unittest import mock
  import docker
  import tensorflow
  from tfx.dsl.components.base import base_executor
  from tfx.dsl.components.base import executor_spec
  from tfx.orchestration import data_types
  from tfx.orchestration import metadata
  from tfx.orchestration import publisher
  from tfx.orchestration.config import docker_component_config
  from tfx.orchestration.launcher import docker_component_launcher
  from tfx.orchestration.launcher import test_utils
  from tfx.types import channel_utils
  from ml_metadata.proto import metadata_store_pb2
label_desc: Use image node_id 1 for calling the DockerComponentLauncherTest obj's underlying member method code with example usage: obj.testCanLaunch() without return types