fix: cors on .well-know redirect in test app

Author: dopry

tests/app/idp/idp/apps.py

@@ -3,7 +3,12 @@
 
 
 def cors_allow_origin(sender, request, **kwargs):
-    return request.path == "/o/userinfo/" or request.path == "/o/userinfo"
+    return (
+        request.path == "/o/userinfo/"
+        or request.path == "/o/userinfo"
+        or request.path == "/o/.well-known/openid-configuration"
+        or request.path == "/o/.well-known/openid-configuration/"
+    )
 
 
 class IDPAppConfig(AppConfig):