class_docstr: Benchmark that times running a number of empty subtasks
class_docstr_tok: ["Benchmark","that","times","running","a","number","of","empty","subtasks"]
code: def teardown(self):
      self.session.stop_server()
  
imports: import mars.remote
  from mars import new_session, execute
label_desc: Use image node_id 2 for calling the EmptyRemotesExecutionSuite obj's underlying member method code with example usage: obj.teardown() without return types