test: test that "member added" message is rewritten even if self is not in chat

src/chat.rs

@@ -4096,6 +4096,8 @@ mod tests {
 
         let alice_bob_contact_id = Contact::create(&alice, "Bob", "bob@example.net").await?;
         let alice_fiona_contact_id = Contact::create(&alice, "Fiona", "fiona@example.net").await?;
+        let alice_claire_contact_id =
+            Contact::create(&alice, "Claire", "claire@example.net").await?;
 
         // Create and promote a group.
         let alice_chat_id =
@@ -4110,6 +4112,10 @@ mod tests {
         let bob_chat_id = bob_received_msg.get_chat_id();
         bob_chat_id.accept(&bob).await?;
 
+        // Alice adds Claire to the chat.
+        add_contact_to_chat(&alice, alice_chat_id, alice_claire_contact_id).await?;
+        let alice_sent_add_msg = alice.pop_sent_msg().await;
+
         // Alice removes Bob from the chat.
         remove_contact_from_chat(&alice, alice_chat_id, alice_bob_contact_id).await?;
         let alice_sent_remove_msg = alice.pop_sent_msg().await;
@@ -4117,10 +4123,19 @@ mod tests {
         // Bob leaves the chat.
         remove_contact_from_chat(&bob, bob_chat_id, ContactId::SELF).await?;
 
+        // Bob receives a msg about Alice adding Claire to the group.
+        let bob_received_add_msg = bob.recv_msg(&alice_sent_add_msg).await;
+
+        // Test that add message is rewritten.
+        assert_eq!(
+            bob_received_add_msg.get_text(),
+            "Member claire@example.net added by alice@example.org."
+        );
+
         // Bob receives a msg about Alice removing him from the group.
         let bob_received_remove_msg = bob.recv_msg(&alice_sent_remove_msg).await;
 
-        // Test that the message is rewritten.
+        // Test that remove message is rewritten.
         assert_eq!(
             bob_received_remove_msg.get_text(),
             "Member Me (bob@example.net) removed by alice@example.org."