code: def testSessionWithinContextManager(self):
      session_user = MySessionUser()
      with tf.compat.v1.Session() as session:
          self.assertIs(session_user.session, session)
          self.assertEqual(0, session_user.run())
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow
  from tf_agents.utils import session_utils
label_desc: Use image node_id 3 for calling the TfRunnableTest obj's underlying member method code with example usage: obj.testSessionWithinContextManager() without return types