old_contents: import json
  from django.test import TestCase
  from jet.tests.models import TestModel
  from jet.utils import JsonResponse, get_model_instance_label
  
  
  class UtilsTestCase(TestCase):
      def test_json_response(self):
          response = JsonResponse({'str': 'string', 'int': 1})
          response_dict = json.loads(response.content)
          expected_dict = {"int": 1, "str": "string"}
          self.assertEqual(response_dict, expected_dict)
          self.assertEqual(response.get('Content-Type'), 'application/json')
  
      def test_get_model_instance_label(self):
          field1 = 'value'
          field2 = 2
          pinned_application = TestModel.objects.create(field1=field1, field2=field2)
          self.assertEqual(get_model_instance_label(pinned_application), '%s%d' % (field1, field2))
  
  
  
  
new_contents: import json
  from django.test import TestCase
  from jet.tests.models import TestModel
  from jet.utils import JsonResponse, get_model_instance_label
  
  
  class UtilsTestCase(TestCase):
      def test_json_response(self):
          response = JsonResponse({'str': 'string', 'int': 1})
          response_dict = json.loads(response.content.decode())
          expected_dict = {"int": 1, "str": "string"}
          self.assertEqual(response_dict, expected_dict)
          self.assertEqual(response.get('Content-Type'), 'application/json')
  
      def test_get_model_instance_label(self):
          field1 = 'value'
          field2 = 2
          pinned_application = TestModel.objects.create(field1=field1, field2=field2)
          self.assertEqual(get_model_instance_label(pinned_application), '%s%d' % (field1, field2))
  
  
  
  
subject: Add decode