code: def test_mp_normal_bs3(self):
      self._run_mp(task="integration_tests:chunky", batchsize=3)
  
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 6 for calling the TestNumExamples obj's underlying member method code with example usage: obj.test_mp_normal_bs3() without return types