code: def list_datasets(self):
      return ["mnist", "bigscience/P3", "x", "x/Y-z", "fashion_mnist"]
  
imports: import datetime
  from unittest import mock
  from absl import logging
  import numpy
  import pytest
  import tensorflow
  from tensorflow_datasets.core import features
  from tensorflow_datasets.core import lazy_imports_lib
  from tensorflow_datasets.core import registered
  from tensorflow_datasets.core.dataset_builders import huggingface_dataset_builder
label_desc: Use image node_id 1 for calling the FakeHfDatasets obj's underlying member method code with example usage: obj.list_datasets() and returns: list