code: def test_fewer_tsvs_than_workers(self) -> None:
      self._test_dataloader(
          num_workers=2, batch_size=16, num_tsvs=1, num_rows_per_tsv=16
      )
  
imports: import contextlib
  import math
  import os
  import random
  import tempfile
  from typing import Any, Dict, List, Optional
  import numpy
  from torch.utils.data import DataLoader
  from torchrec.datasets.criteo import BinaryCriteoUtils, CAT_FEATURE_COUNT, criteo_kaggle, criteo_terabyte, InMemoryBinaryCriteoIterDataPipe, INT_FEATURE_COUNT
  from torchrec.datasets.test_utils.criteo_test_utils import CriteoTest
  from torchrec.datasets.utils import Batch
label_desc: Use image node_id 5 for calling the CriteoDataLoaderTest obj's underlying member method code with example usage: obj.test_fewer_tsvs_than_workers() without return types