code: def setUp(self):
      study_configuration_json = {
          "goal": "MAXIMIZE",
          "maxTrials": 5,
          "maxParallelTrials": 1,
          "params": [
              {
                  "parameterName": "hidden1",
                  "type": "INTEGER",
                  "minValue": 40,
                  "maxValue": 400,
                  "scalingType": "LINEAR",
              }
          ],
      }
      study_configuration = json.dumps(study_configuration_json)
      self.study = Study.create(
          "RandomSearchStudy", study_configuration
      )
      trial1 = Trial.create(self.study.id, "RandomSearchTrial1")
      trial2 = Trial.create(self.study.id, "RandomSearchTrial2")
      self.trials = [trial1, trial2]
      TrialMetric.create(trial1.id, 10, 0.5)
      TrialMetric.create(trial1.id, 20, 0.6)
      TrialMetric.create(trial2.id, 10, 0.6)
      TrialMetric.create(trial2.id, 20, 0.5)
  
file_path: advisor/advisor_server/suggestion/early_stop_algorithm/early_stop_descending_test.py
imports: import json
  from django.test import TestCase
  from suggestion.models import Study
  from suggestion.models import Trial
  from suggestion.models import TrialMetric
  from suggestion.early_stop_algorithm.early_stop_descending import EarlyStopDescendingAlgorithm
label_desc: Use image node_id 1 for calling the EarlyStopDescendingAlgorithmTest obj's underlying member method code with example usage: obj.setUp() without return types