code: def setUp(self):
      self.logger = CometLoggerCallback()
      self.trials = [
          MockTrial({"p1": 1}, "trial_1", 1, "artifact"),
          MockTrial({"p1": 2}, "trial_2", 2, "artifact"),
          MockTrial({"p1": 2}, "trial_3", 3, "artifact"),
      ]
  
imports: import unittest
  from unittest.mock import patch
  from ray.air.integrations.comet import CometLoggerCallback
  from collections import namedtuple
label_desc: Use image node_id 1 for calling the LogTrialEndTests obj's underlying member method code with example usage: obj.setUp() without return types