code: def test_image_dataset_from_directory_no_images(self):
      directory = self._prepare_directory(num_classes=2, count=0)
      with self.assertRaisesRegex(ValueError, "No images found."):
          _ = image_dataset_utils.image_dataset_from_directory(
              directory
          )
  
imports: import os
  import numpy
  from keras import backend
  from keras import testing
  from keras.utils import image_dataset_utils
  from keras.utils import image_utils
  from keras.utils.module_utils import tensorflow
label_desc: Use image node_id 12 for calling the ImageDatasetFromDirectoryTest obj's underlying member method code with example usage: obj.test_image_dataset_from_directory_no_images() without return types