code: def test_task_requests(self):
      # createTask
      len_results = Result.objects.count()
  
      task = self.client.post("api/tasks/", self.data_task)
      self.assertEqual(len_results + 1, Result.objects.count())
  
      # retrieve
      task = self.client.get(task.data["url"], format="json")
      self.assertEqual(task.status_code, 200)
  
      # list tasks
      list_tasks = self.client.get("api/tasks/")
      self.assertEqual(len(list_tasks.data), Task.objects.count())
  
      # update with new item
      self.data_task["item"] = self.item2_url
      task = self.client.put(task.data["url"], self.data_task)
      self.assertEqual(task.status_code, 200)
      self.assertEqual(len_results + 2, Result.objects.count())
  
imports: from timeside.server.models import *
  from timeside.server.tests.timeside_test_server import TimeSideTestServer
  from django.contrib.auth.models import User
label_desc: Use image node_id 2 for calling the TestTaskRequests obj's underlying member method code with example usage: obj.test_task_requests() without return types