code: def test_small_buffer_dynb(self):
      self._run(batchsize=2, dynamic_batching="full")
  
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 3 for calling the TestSmallBuffer obj's underlying member method code with example usage: obj.test_small_buffer_dynb() without return types