code: def test_all_versions(dummy_dc):
      assert set(dummy_dc.all_versions) == {
          version_lib.Version("1.0.0"),
          version_lib.Version("1.1.0"),
          version_lib.Version("2.0.0"),
      }
  
file_path: datasets/tensorflow_datasets/core/dataset_collection_builder_test.py
imports: from unittest import mock
  from etils import epath
  import pytest
  from tensorflow_datasets import testing
  from tensorflow_datasets.core import dataset_collection_builder
  from tensorflow_datasets.core.utils import version
label_desc: Use image node_id 6 for calling a global function with example usage: test_all_versions(dummy_dc) without return types