code: def testCreateWithAllDefaults(self):
      action = 1
      state = ()
      info = ()
      step = policy_step.PolicyStep(action)
      self.assertEqual(step.action, action)
      self.assertEqual(step.state, state)
      self.assertEqual(step.info, info)
  
file_path: agents/tf_agents/trajectories/policy_step_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow
  from tf_agents.trajectories import policy_step
label_desc: Use image node_id 2 for calling the PolicyStepTest obj's underlying member method code with example usage: obj.testCreateWithAllDefaults() without return types