Silenced DeprecationWarning raised by tests for populate_xheaders tests. Refs #15741

git-svn-id: http://code.djangoproject.com/svn/django/trunk@15998 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/special_headers/tests.py

+import warnings
+
 from django.test import TestCase
 from django.contrib.auth.models import User
 
+
 class SpecialHeadersTest(TestCase):
     fixtures = ['data.xml']
 
+    def setUp(self):
+        self.save_warnings_state()
+        warnings.filterwarnings('ignore', category=DeprecationWarning,
+                                module='django.views.generic.list_detail')
+
+    def tearDown(self):
+        self.restore_warnings_state()
+
     def test_xheaders(self):
         user = User.objects.get(username='super')
         response = self.client.get('/special_headers/article/1/')
-        # import pdb; pdb.set_trace()
         self.assertFalse('X-Object-Type' in response)
         self.client.login(username='super', password='secret')
         response = self.client.get('/special_headers/article/1/')