code: def setup_method(self):
      super().setup_method()
      self.env = GymEnv(DummyDiscreteEnv())
      self.qf = SimpleQFunction(self.env.spec)
      self.policy = DiscreteQFArgmaxPolicy(
          env_spec=self.env.spec, qf=self.qf
      )
      self.sess.run(tf.compat.v1.global_variables_initializer())
      self.env.reset()
  
imports: import pickle
  import pytest
  import tensorflow
  from garage.envs import GymEnv
  from garage.envs.wrappers import AtariEnv
  from garage.tf.policies import DiscreteQFArgmaxPolicy
  from garage.tf.q_functions import DiscreteCNNQFunction
  from tests.fixtures import TfGraphTestCase
  from tests.fixtures.envs.dummy import DummyDictEnv, DummyDiscreteEnv, DummyDiscretePixelEnvBaselines
  from tests.fixtures.q_functions import SimpleQFunction
label_desc: Use image node_id 1 for calling the TestQfDerivedPolicy obj's underlying member method code with example usage: obj.setup_method() without return types