Fixed #29363 -- Added SimpleTestCase.assertWarnsMessage().

1 files changed, 3 insertions, 8 deletions

diff --git a/tests/settings_tests/tests.py b/tests/settings_tests/tests.py
index 9187f87388..53a9ea98f6 100644
--- a/tests/settings_tests/tests.py
+++ b/tests/settings_tests/tests.py
@@ -1,7 +1,6 @@
 import os
 import sys
 import unittest
-import warnings
 from types import ModuleType
 from unittest import mock
 
@@ -349,15 +348,11 @@ class TestComplexSettingOverride(SimpleTestCase):
 
     def test_complex_override_warning(self):
         """Regression test for #19031"""
-        with warnings.catch_warnings(record=True) as w:
-            warnings.simplefilter("always")
-
+        msg = 'Overriding setting TEST_WARN can lead to unexpected behavior.'
+        with self.assertWarnsMessage(UserWarning, msg) as cm:
             with override_settings(TEST_WARN='override'):
                 self.assertEqual(settings.TEST_WARN, 'override')
-
-            self.assertEqual(len(w), 1)
-            self.assertEqual(w[0].filename, __file__)
-            self.assertEqual(str(w[0].message), 'Overriding setting TEST_WARN can lead to unexpected behavior.')
+        self.assertEqual(cm.filename, __file__)
 
 
 class SecureProxySslHeaderTest(SimpleTestCase):