code: def test_point_in_time_accurate_join(
      sagemaker_session_mock, feature_group_mock
  ):
      dataset_builder = DatasetBuilder(
          sagemaker_session=sagemaker_session_mock,
          base=feature_group_mock,
          output_path="file/to/path",
      )
      dataset_builder.point_in_time_accurate_join()
      assert dataset_builder._point_in_time_accurate_join
  
imports: from __future__ import absolute_import
  import datetime
  import pandas
  import pytest
  import os
  from mock import Mock, patch
  from sagemaker.feature_store.dataset_builder import DatasetBuilder, FeatureGroupToBeMerged, TableType, JoinComparatorEnum, JoinTypeEnum
  from sagemaker.feature_store.feature_group import FeatureDefinition, FeatureGroup, FeatureTypeEnum
label_desc: Use image node_id 9 for calling a global function with example usage: test_point_in_time_accurate_join(sagemaker_session_mock, feature_group_mock) without return types