code: def test_streaming(self):
      self._test_correct_processed(NUM_TEST, datatype="train:stream")
  
imports: from parlai.core.opt import Opt
  from parlai.tasks.integration_tests.agents import NUM_TEST, EXAMPLE_SIZE
  from parlai.utils.conversations import Conversations
  import parlai.utils.testing
  import os
  from typing import Dict, Any
  import unittest
label_desc: Use image node_id 7 for calling the TestDynamicBatching obj's underlying member method code with example usage: obj.test_streaming() without return types