code: def setUp(self):
      storage_blobs = [
          "dataset/dev/img1.png",
          "dataset/dev/img2.png",
          "dataset/dev/img3.png",
          "dataset/dev/img4.png",
          "dataset/dev/img5.png",
          "dataset/dev_dataset.csv",
      ]
      self.storage_client = fake_cloud_client.FakeStorageClient(
          storage_blobs
      )
      self.datastore_client = fake_cloud_client.FakeDatastoreClient()
      self.dataset_batches = image_batches.DatasetBatches(
          datastore_client=self.datastore_client,
          storage_client=self.storage_client,
          dataset_name="dev",
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import itertools
  import unittest
  from six import assertCountEqual
  from eval_lib import image_batches
  from eval_lib import submissions
  from eval_lib.tests import fake_cloud_client
label_desc: Use image node_id 1 for calling the DatasetBatchesTest obj's underlying member method code with example usage: obj.setUp() without return types