code: def test_update_experiment(self):
      experiment = Experiments(HOME_PATH)
      experiment.add_experiment(
          "xOpEwA5w",
          8081,
          "N/A",
          "local",
          "test",
          endTime="N/A",
          status="INITIALIZED",
      )
      self.assertTrue("xOpEwA5w" in experiment.get_all_experiments())
      experiment.remove_experiment("xOpEwA5w")
      self.assertFalse("xOpEwA5w" in experiment.get_all_experiments())
  
imports: from pathlib import Path
  from unittest import TestCase, main
  from nni.tools.nnictl.config_utils import Config, Experiments
label_desc: Use image node_id 1 for calling the CommonUtilsTestCase obj's underlying member method code with example usage: obj.test_update_experiment() without return types