diff --git a/Testing.md b/Testing.md
index 558655b..20c0c59 100644
--- a/Testing.md
+++ b/Testing.md
@@ -111,6 +111,7 @@
 * [Verify that messages behave as expected when no mailbox](messages-as-expected-no-mailbox)
 * [Verify that messages are uploaded correctly when Y doesn't know X has mb](messages-uploaded-to-mailbox-correctly)
 * [Verify that messages are uploaded correctly when Y knows X has mb](messages-uploaded-Y-knows-x-has-mb)
+* [Verify correct uploading of messages when X and Y both have mailboxes that the other knows about](message-upload-both-x-and-y-have-mailboxes)
 * [WIP Messages exported to removable media versus uploaded to Mailbox](messages-removable-media-mailbox)
 * [Private group invitations and messages](private-group-invitations-messages)
 * [WIP Invite multiple contacts to private group](invite-multiple-contacts-to-private-group)