Refs #29708 -- Made SessionBase store expiry as string.

1 files changed, 14 insertions, 19 deletions

diff --git a/tests/sessions_tests/tests.py b/tests/sessions_tests/tests.py
index c2743ef48b..816777bc97 100644
--- a/tests/sessions_tests/tests.py
+++ b/tests/sessions_tests/tests.py
@@ -333,25 +333,20 @@ class SessionTestsMixin:
         self.assertEqual(self.session.decode(encoded), {})
 
     def test_actual_expiry(self):
-        # this doesn't work with JSONSerializer (serializing timedelta)
-        with override_settings(SESSION_SERIALIZER='django.contrib.sessions.serializers.PickleSerializer'):
-            self.session = self.backend()  # reinitialize after overriding settings
-
-            # Regression test for #19200
-            old_session_key = None
-            new_session_key = None
-            try:
-                self.session['foo'] = 'bar'
-                self.session.set_expiry(-timedelta(seconds=10))
-                self.session.save()
-                old_session_key = self.session.session_key
-                # With an expiry date in the past, the session expires instantly.
-                new_session = self.backend(self.session.session_key)
-                new_session_key = new_session.session_key
-                self.assertNotIn('foo', new_session)
-            finally:
-                self.session.delete(old_session_key)
-                self.session.delete(new_session_key)
+        old_session_key = None
+        new_session_key = None
+        try:
+            self.session['foo'] = 'bar'
+            self.session.set_expiry(-timedelta(seconds=10))
+            self.session.save()
+            old_session_key = self.session.session_key
+            # With an expiry date in the past, the session expires instantly.
+            new_session = self.backend(self.session.session_key)
+            new_session_key = new_session.session_key
+            self.assertNotIn('foo', new_session)
+        finally:
+            self.session.delete(old_session_key)
+            self.session.delete(new_session_key)
 
     def test_session_load_does_not_create_record(self):
         """