diff --git a/testfile b/testfile
index 2f9229e87..c23dda662 100644
--- a/testfile
+++ b/testfile
@@ -156,3 +156,5 @@ User can create and send/receive messages in a room with version 1
 POST /createRoom ignores attempts to set the room version via creation_content
 Inbound federation rejects remote attempts to join local users to rooms
 Inbound federation rejects remote attempts to kick local users to rooms
+An event which redacts itself should be ignored
+A pair of events which redact each other should be ignored