code: def _test_subsets(self, data_dumps):
      for i in range(len(data_dumps) - 1):
          small = data_dumps[i]
          larger = data_dumps[i + 1]
          for i, episode in enumerate(small):
              self.assertEqual(episode, larger[i])
  
imports: import unittest
  import copy
  import parlai.core.tod.tod_core
  import parlai.core.tod.tod_test_utils.test_agents
label_desc: Use image node_id 3 for calling the TestLowShot obj's underlying member method code with example usage: obj._test_subsets(data_dumps) without return types