Fix caching issue in test

mirrors/tests/test_mirrorstatus.py

@@ -9,20 +9,15 @@ def test_status(self):
         self.assertEqual(response.status_code, 200)
 
     def test_json_endpoint(self):
-        response = self.client.get('/mirrors/status/json/')
-        self.assertEqual(response.status_code, 200)
-        data = response.json()
-        self.assertEqual(data['urls'], [])
-
-        mirror_url = create_mirror_url()
-
-        # Verify that the cache works
-        response = self.client.get('/mirrors/status/json/')
-        self.assertEqual(response.status_code, 200)
-        data = response.json()
-
         # Disables the cache_function's cache
         with self.settings(CACHES={'default': {'BACKEND': 'django.core.cache.backends.dummy.DummyCache'}}):
+            response = self.client.get('/mirrors/status/json/')
+            self.assertEqual(response.status_code, 200)
+            data = response.json()
+            self.assertEqual(data['urls'], [])
+
+            mirror_url = create_mirror_url()
+
             response = self.client.get('/mirrors/status/json/')
             self.assertEqual(response.status_code, 200)
             data = response.json()