test(timeline): Workarounds to get the timeline tests passing

This is necessary because both the timeline and the event cache attempt
to redecrypt events currently.

This will change once only the event cache handles this task.

Author: poljar

crates/matrix-sdk-ui/src/timeline/tests/encryption.rs

@@ -424,6 +424,17 @@ async fn test_retry_edit_decryption() {
     assert!(msg.is_edited());
     assert_eq!(msg.body(), "This is Error");
 
+    let item =
+        assert_next_matches_with_timeout!(stream, VectorDiff::Set { index: 0, value } => value);
+
+    // TODO: We receive this update twice, since the event cache decrypts things as
+    // well as the timeline.
+    assert_matches!(item.encryption_info(), Some(_));
+    assert_matches!(item.latest_edit_json(), Some(_));
+    assert_let!(Some(msg) = item.content().as_message());
+    assert!(msg.is_edited());
+    assert_eq!(msg.body(), "This is Error");
+
     // (There are no more items)
     assert_pending!(stream);
 }