test: distinguish rename Escape from canvas key notification

crates/oa-desktop/src/app/source_rename/tests.rs

@@ -804,13 +804,25 @@ fn captured_escape(app: &App) -> Vec<Message> {
         .unwrap();
     let _entered = runtime.enter();
     let mut messages = Vec::new();
+    let mut keyboard_boundaries = 0;
     for recipe in subscription::into_recipes(app.subscription()) {
         let mut output = recipe.stream(Box::pin(stream::iter([event.clone()])));
         let mut context = PollContext::from_waker(noop_waker_ref());
         while let Poll::Ready(Some(message)) = output.poll_next_unpin(&mut context) {
-            messages.push(message);
+            if matches!(
+                &message,
+                Message::WorkDrag(crate::app::allocation_drag::Event::KeyboardBoundary)
+            ) {
+                keyboard_boundaries += 1;
+            } else {
+                messages.push(message);
+            }
         }
     }
+    assert_eq!(
+        keyboard_boundaries, 1,
+        "each key has exactly one passive allocation notification"
+    );
     messages
 }
 
@@ -843,11 +855,13 @@ fn actual_captured_escape_closes_only_its_priority_owner_and_retains_worker() {
             let before = evidence(&app);
             let mut messages = captured_escape(&app);
             assert_eq!(messages.len(), 1);
+            assert!(matches!(messages[0], Message::Escape));
             send(&mut app, messages.remove(0));
             if other_modal != 0 {
                 assert!(app.source_rename.open(), "existing modal has priority");
                 let mut messages = captured_escape(&app);
                 assert_eq!(messages.len(), 1);
+                assert!(matches!(messages[0], Message::Escape));
                 send(&mut app, messages.remove(0));
             }
             assert!(!app.source_rename.open());