code: def test_episode_length(self):
      env = mock_sc2_env.SC2TestEnv(
          map_name="nonexistant map",
          agent_interface_format=features.AgentInterfaceFormat(
              feature_dimensions=features.Dimensions(
                  screen=64, minimap=32
              )
          ),
      )
      self.assertEqual(env.episode_length, 10)
      self._test_episode_length(env, length=10)
  
imports: from absl.testing import absltest
  import mock
  import numpy
  from pysc2.env import enums
  from pysc2.env import environment
  from pysc2.env import mock_sc2_env
  from pysc2.env import sc2_env
  from pysc2.lib import features
  from s2clientprotocol import common_pb2
  from s2clientprotocol import raw_pb2
  from s2clientprotocol import sc2api_pb2
label_desc: Use image node_id 2 for calling the TestSC2TestEnv obj's underlying member method code with example usage: obj.test_episode_length() without return types