code: def _load_datasamples(self, num_samples):
      from datasets import load_dataset
  
      ds = load_dataset(
          "hf-internal-testing/librispeech_asr_dummy",
          "clean",
          split="validation",
      )
      # automatic decoding with librispeech
      speech_samples = ds.sort("id").select(range(num_samples))[
          :num_samples
      ]["audio"]
  
      return [x["array"] for x in speech_samples]
  
imports: import copy
  import inspect
  import os
  import tempfile
  import unittest
  from transformers import Speech2TextConfig
  from transformers.testing_utils import is_torch_available, require_sentencepiece, require_tokenizers, require_torch, require_torchaudio, slow, torch_device
  from transformers.utils import cached_property
  from ...generation.test_generation_utils import GenerationTesterMixin
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, _config_zero_init, floats_tensor, ids_tensor
label_desc: Use image node_id 2 for calling the Speech2TextModelIntegrationTests obj's underlying member method code with example usage: obj._load_datasamples(num_samples) and returns: unknown