code: def add_one(self, value):
      value += 1
      return value
  
file_path: PARL/parl/remote/future_mode/tests/future_mode_cluster_2_test.py
imports: import unittest
  import parl
  import time
  import subprocess
  import threading
  from parl.remote import exceptions
  from parl.utils.test_utils import XparlTestCase
label_desc: Use image node_id 6 for calling the Actor obj's underlying member method code with example usage: obj.add_one(value) and returns: value