diff --git a/sytest-whitelist b/sytest-whitelist
index 6af8d89ff..5f6797a3e 100644
--- a/sytest-whitelist
+++ b/sytest-whitelist
@@ -715,4 +715,7 @@ Presence can be set from sync
 PUT /rooms/:room_id/redact/:event_id/:txn_id is idempotent
 Unnamed room comes with a name summary
 Named room comes with just joined member count summary
-Room summary only has 5 heroes
\ No newline at end of file
+Room summary only has 5 heroes
+Setting state twice is idempotent
+Joining room twice is idempotent
+Inbound federation can return missing events for shared visibility
\ No newline at end of file