code: def testMultipleFileLoading_intermediateEmptyFiles(self):
      self._WriteToFile("a", "a")
      self._WriteToFile("b", "")
      self._WriteToFile("c", "c")
      self.assertLoaderYields(["a", "c"])
  
imports: import functools
  import glob
  import os
  import shutil
  from unittest import mock
  import tensorflow
  from tensorboard.backend.event_processing import directory_loader
  from tensorboard.backend.event_processing import directory_watcher
  from tensorboard.backend.event_processing import event_file_loader
  from tensorboard.backend.event_processing import io_wrapper
  from tensorboard.util import test_util
label_desc: Use image node_id 8 for calling the DirectoryLoaderTest obj's underlying member method code with example usage: obj.testMultipleFileLoading_intermediateEmptyFiles() without return types