code: def testCreateConstraint(self):
      constraint_net = DummyNet(
          self._observation_spec, self._action_spec
      )
      constraints.AbsoluteConstraint(
          self._time_step_spec,
          self._action_spec,
          constraint_network=constraint_net,
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import tensorflow
  from tf_agents.bandits.networks import global_and_arm_feature_network
  from tf_agents.bandits.policies import constraints
  from tf_agents.bandits.specs import utils
  from tf_agents.networks import network
  from tf_agents.specs import tensor_spec
  from tf_agents.trajectories import time_step
  from tf_agents.utils import common
label_desc: Use image node_id 2 for calling the AbsoluteConstraintTest obj's underlying member method code with example usage: obj.testCreateConstraint() without return types