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

1 files changed, 2 insertions, 9 deletions

diff --git a/tests/fixtures/tests.py b/tests/fixtures/tests.py
index a27ad6183d..d48062f8dd 100644
--- a/tests/fixtures/tests.py
+++ b/tests/fixtures/tests.py
@@ -495,16 +495,9 @@ class FixtureLoadingTests(DumpDataAssertMixin, TestCase):
         parent.
         """
         ProxySpy.objects.create(name='Paul')
-
-        with warnings.catch_warnings(record=True) as warning_list:
-            warnings.simplefilter('always')
+        msg = "fixtures.ProxySpy is a proxy model and won't be serialized."
+        with self.assertWarnsMessage(ProxyModelWarning, msg):
             self._dumpdata_assert(['fixtures.ProxySpy'], '[]')
-        warning = warning_list.pop()
-        self.assertEqual(warning.category, ProxyModelWarning)
-        self.assertEqual(
-            str(warning.message),
-            "fixtures.ProxySpy is a proxy model and won't be serialized."
-        )
 
     def test_dumpdata_proxy_with_concrete(self):
         """