code: def test_custom_name():
      """Tests that builder can have custom names."""
  
      class SomeCustomNameBuilder(registered.RegisteredDataset):
          name = "custom_name"
  
      assert "custom_name" == SomeCustomNameBuilder.name
      assert "custom_name" in load.list_builders()
  
imports: import abc
  import re
  from unittest import mock
  import pytest
  from tensorflow_datasets import testing
  from tensorflow_datasets.core import constants
  from tensorflow_datasets.core import load
  from tensorflow_datasets.core import registered
  from tensorflow_datasets.core import splits
  from tensorflow_datasets.core import utils
  from tensorflow_datasets.core.utils import py_utils
  import tensorflow_datasets.public_api
  from tensorflow_datasets.testing.dummy_config_based_datasets.dummy_ds_1 import dummy_ds_1_dataset_builder
label_desc: Use image node_id 3 for calling a global function with example usage: test_custom_name() without return types