new_contents: from tests.test_cases import TestCase
  
  
  class GetObjectsTestCase(TestCase):
  
      def test_app_should_respond_with_articles(self):
          response = self.client.get('/api/articles/1,2')
  
          self.assertEqual(response.status_code, 200)
  
          articles = response.document.get('articles', None)
  
          self.assertIsNotNone(articles)
          self.assertIsInstance(articles, list)
          self.assertEqual(len(articles), 2)
  
  
  class GetEmptyObjectsTestCase(TestCase):
  
      fixtures = None
  
      def test_app_should_return_empty_array(self):
          response = self.client.get('/api/articles/26,32')
  
          self.assertEqual(response.status_code, 200)
  
          articles = response.document.get('articles', None)
  
          self.assertIsNotNone(articles)
          self.assertIsInstance(articles, list)
          self.assertEqual(len(articles), 0)
  
subject: Add `GET` objects tests