Add OIDC back-channel logout with session indexes

packages/kaya-session-redis/tests/test_store.py

@@ -89,7 +89,13 @@ class RedisSessionStoreTest(unittest.TestCase):
             loads=lambda b: json.loads(b.decode('utf-8')),
         )
         await store.save('abc', Session('abc', {'foo': 'bar'}))
-        self.assertEqual(b'{"foo": "bar"}', await self.client.get('kaya:session:abc'))
+        raw = await self.client.get('kaya:session:abc')
+        assert raw is not None
+        self.assertEqual({
+            '__kaya_session_v1__': 1,
+            'data': {'foo': 'bar'},
+            'indexes': [],
+        }, json.loads(raw))
         loaded = await store.load('abc')
         self.assertIsNotNone(loaded)
         assert loaded is not None