code: def testGenerateWithBaseOverride(self):
      generated_dockerfile_path = labels.DOCKERFILE_NAME
      dockerfile.Dockerfile(
          filename=generated_dockerfile_path,
          base_image="my_customized_image:latest",
      )
      self.assertTrue(
          filecmp.cmp(
              os.path.join(
                  self._testdata_dir, "test_dockerfile_with_base"
              ),
              generated_dockerfile_path,
          )
      )
  
file_path: tfx/tfx/tools/cli/container_builder/dockerfile_test.py
imports: import contextlib
  import filecmp
  import os
  import tensorflow
  from tfx import version
  from tfx.tools.cli.container_builder import dockerfile
  from tfx.tools.cli.container_builder import labels
  from tfx.utils import test_case_utils
label_desc: Use image node_id 4 for calling the DockerfileTest obj's underlying member method code with example usage: obj.testGenerateWithBaseOverride() without return types