Fix tests failure

It's fine to return 204 from a delete request according to lecturer.

Author: amitkummer

backend/manager/tasks/tests/test_people.py

@@ -120,7 +120,7 @@ def test_patch(self):
 
     def test_delete(self):
         response = self.client.delete(reverse("person-detail", args=[self.person.id]))
-        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.status_code, 204)
 
     def test_get_tasks_nested(self):
         response = self.client.get(reverse("person-tasks", args=[self.person.id]))

backend/manager/tasks/tests/test_tasks.py

@@ -60,7 +60,7 @@ def test_patch(self):
 
     def test_delete(self):
         response = self.client.delete(reverse("task-detail", args=[self.task.id]))
-        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.status_code, 204)
 
     def test_get_status_nested(self):
         response = self.client.get(reverse("task-status", args=[self.another_task.id]))