code: def setUp(self):
      super(TestTestEnvironment, self).setUp()
      self._env = mock_sc2_env._TestEnvironment(
          num_agents=1,
          observation_spec=({"mock": [10, 1]},),
          action_spec=(mock.sentinel.action_spec,),
      )
  
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 1 for calling the TestTestEnvironment obj's underlying member method code with example usage: obj.setUp() without return types