code: def _run_mp(self, **kwargs):
      opt = {**self.BASE_ARGS, **kwargs}
      opt["task"] = self.TASK
      with testing_utils.tempdir() as tmpdir:
          if "model_file" not in opt:
              opt["model_file"] = os.path.join(tmpdir, "model")
  
          valid_report, test_report = mp_train.MultiProcessTrain.main(
              **opt
          )
          assert valid_report["unique"] == NUM_TEST
          assert valid_report["times_seen"] == 1
          assert test_report["unique"] == NUM_TEST
          assert test_report["times_seen"] == 1
          return valid_report, test_report
  
imports: from unittest import TestCase
  import os
  import parlai.utils.testing
  from parlai.tasks.integration_tests.agents import NUM_TEST
  import parlai.scripts.multiprocessing_train
label_desc: Use image node_id 2 for calling the _Abstract obj's underlying member method code with example usage: obj._run_mp() and returns: valid_report,  test_report