code: def get_test_reporter(self, dataset_type):
      dataset = getattr(self, f"{dataset_type}_dataset")
      datamodules = build_multiple_datamodules(
          dataset.dataset_list, self.config.dataset_config
      )
      test_reporter_config = self._get_test_reporter_config()
      return build_test_reporter(
          datamodules, test_reporter_config, dataset_type
      )
  
file_path: mmf/mmf/common/dataset_loader.py
imports: import warnings
  from mmf.common.sample import SampleList
  from mmf.datasets.multi_dataset_loader import MultiDatasetLoader
  from mmf.utils.build import build_multiple_datamodules, build_test_reporter
label_desc: Use image node_id 6 for calling the DatasetLoader obj's underlying member method code with example usage: obj.get_test_reporter(dataset_type) and returns: build_test_reporter