code: def testKbsServerHelper(self):
      options = kbs_server_helper.KnowledgeBankServiceOptions(
          True, -1, 10
      )
      server = kbs_server_helper.KbsServerHelper(options)
      self.assertNotEqual("", server.address())
      server.Terminate()
  
imports: from research.carls import kbs_server_helper_pybind
  import tensorflow
label_desc: Use image node_id 2 for calling the KbsServerHelperTest obj's underlying member method code with example usage: obj.testKbsServerHelper() without return types