code: def fixture_split_builder():
      builder = testing.DummyMnist()
      return split_builder_lib.SplitBuilder(
          split_dict=builder.info.splits,
          features=builder.info.features,
          dataset_size=builder.info.dataset_size,
          beam_options=None,
          beam_runner=None,
          max_examples_per_split=None,
      )
  
file_path: datasets/tensorflow_datasets/core/split_builder_test.py
imports: import collections
  import io
  import os
  import pathlib
  import apache_beam
  import psutil
  import pytest
  from tensorflow_datasets import testing
  from tensorflow_datasets.core import split_builder
label_desc: Use image node_id 2 for calling a global function with example usage: fixture_split_builder() and returns: split_builder_lib