code: def test_disable_tqdm(self):
      tqdm_utils.disable_progress_bar()
  
      with testing.tmp_dir(self.get_temp_dir()) as tmp_dir:
          builder = testing.DummyMnist(data_dir=tmp_dir)
          builder.download_and_prepare()
  
          # Check the data has been generated
          train_ds, test_ds = builder.as_dataset(
              split=["train", "test"]
          )
          train_ds, test_ds = dataset_utils.as_numpy(
              (train_ds, test_ds)
          )
          self.assertEqual(20, len(list(train_ds)))
          self.assertEqual(20, len(list(test_ds)))
  
imports: from tensorflow_datasets import testing
  from tensorflow_datasets.core import dataset_utils
  from tensorflow_datasets.core.utils import tqdm_utils
label_desc: Use image node_id 1 for calling the TqdmUtilsTest obj's underlying member method code with example usage: obj.test_disable_tqdm() without return types