def METHOD_NAME() -> Generator:
    nested_collection_fields = DatasetCollection(
        name="test_collection",
        fields=[
            DatasetField(
                name="top_level_field_1",
            ),
            DatasetField(
                name="top_level_field_2",
                fields=[
                    DatasetField(
                        name="first_nested_level",
                        fields=[
                            DatasetField(
                                name="second_nested_level",
                                fields=[DatasetField(name="third_nested_level")],
                            )
                        ],
                    )
                ],
            ),
        ],
    )
    yield nested_collection_fields