code: def testTestSessionWithinContextManager(self):
      session_user = MySessionUser()
      with self.cached_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 4 for calling the TfRunnableTest obj's underlying member method code with example usage: obj.testTestSessionWithinContextManager() without return types