code: def test_audio_dataset_from_directory_no_output_sequence_length_same_lengths(  # noqa: E501
      self,
  ):
      # This test case tests `audio_dataset_from_directory` when `ragged` and
      # `output_sequence_length` are not passed while the input sequence
      # lengths are the same
      directory = self._prepare_directory(
          num_classes=2, count=16, different_sequence_lengths=False
      )
      # The tensor shapes are different and output_sequence_length is None
      # should work fine and pad each sequence to the length of the longest
      # sequence in it's batch
      dataset = audio_dataset_utils.audio_dataset_from_directory(
          directory, batch_size=2
      )
      sequence_lengths = list(
          set([batch[0].shape[1] for batch in dataset])
      )
      self.assertEqual(len(sequence_lengths), 1)
  
imports: import os
  import numpy
  from keras import testing
  from keras.utils import audio_dataset_utils
  from keras.utils.module_utils import tensorflow
label_desc: Use image node_id 14 for calling the AudioDatasetFromDirectoryTest obj's underlying member method code with example usage: obj.test_audio_dataset_from_directory_no_output_sequence_length_same_lengths() without return types