code: def testSimpleDirectoryInitializer(self):
      filenames = ["a", "b", "c"]
      self._touchTempFiles(filenames)
  
      dataset = dataset_ops.Dataset.list_files(
          path.join(self.tmp_dir, "*")
      )
      self.assertDatasetProduces(
          dataset,
          expected_output=[
              compat.as_bytes(path.join(self.tmp_dir, filename))
              for filename in filenames
          ],
          assert_items_equal=True,
      )
  
imports: from os import path
  import shutil
  import tempfile
  from absl.testing import parameterized
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import errors
  from tensorflow.python.platform import test
  from tensorflow.python.util import compat
label_desc: Use image node_id 9 for calling the ListFilesTest obj's underlying member method code with example usage: obj.testSimpleDirectoryInitializer() without return types