code: def _run(self, **kwargs):
      opt = {**self.BASE_ARGS, **kwargs}
      opt["task"] = self.TASK
      valid_report, test_report = testing_utils.train_model(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 1 for calling the _Abstract obj's underlying member method code with example usage: obj._run() and returns: valid_report,  test_report