code: def test_retrieve(self):
      url = reverse("articles-detail", kwargs={"pk": self.article1.id})
      response = self.client.get(url)
  
      self.assertEqual(response.status_code, 200)
      self.assertEqual(response.data["id"], self.article1.id)
      self.assertEqual(response.data["title"], self.article1.title)
  
file_path: underthesea/apps/languages/backend/languages/tests/test_articles.py
imports: from rest_framework.test import APITestCase
  from languages.models import Article
  from django.urls import reverse
label_desc: Use image node_id 4 for calling the ArticlesTestCase obj's underlying member method code with example usage: obj.test_retrieve() without return types