code: def setUp(self):
      super().setUp()
      basedir = epath.Path(
          inspect.getfile(inspect.getmodule(self))
      ).parent
      self.dataset_dir = os.path.join(
          basedir, "dummy_data", "robomimic_test.hdf5"
      )
  
file_path: datasets/tensorflow_datasets/robomimic/dataset_utils_test.py
imports: import inspect
  import os
  from absl import flags
  from absl.testing import absltest
  from etils import epath
  import h5py
  import numpy
  from tensorflow_datasets.robomimic import dataset_utils
  import tree
label_desc: Use image node_id 1 for calling the DatasetUtilsTest obj's underlying member method code with example usage: obj.setUp() without return types