old_contents: from django.test import TestCase
  
  # Create your tests here.
  
new_contents: from django.test import TestCase
  
  
  class LocationTestCase(TestCase):
      def setUp(self):
          pass
  
      def test_location_create(self):
          pass
  
  
  class CategoryTestCase(TestCase):
      def setUp(self):
          pass
  
      def test_category_create(self):
          pass
  
  
  class RestaurantTestCase(TestCase):
      def setUp(self):
          pass
  
      def test_restaurant_create(self):
          pass
  
  
  class RatingTestCase(TestCase):
      def setUp(self):
          pass
  
      def test_rating_create(self):
          pass
  
subject: Create test placeholders