Check the handle left in the ready queue in test_run_forever_stop_in_carried_callbacks

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: asvetlov

Lib/test/test_asyncio/test_base_events.py

@@ -1410,6 +1410,7 @@ def stopper(loop):
 
     def test_run_forever_stop_in_carried_callbacks(self):
         calls = []
+        handle = None
         self.loop._settings = asyncio.EventLoopSettings(
             eager_max_time=60, eager_max_callbacks=1)
 
@@ -1419,8 +1420,9 @@ def first(loop):
             loop.call_soon(calls.append, 'carried')
 
         def eager(loop):
+            nonlocal handle
             calls.append('eager')
-            loop.call_soon(calls.append, 'next')
+            handle = loop.call_soon(calls.append, 'next')
 
         def stopper(loop):
             calls.append('stopper')
@@ -1433,7 +1435,7 @@ def stopper(loop):
         # the next _run_once().  stop() in them ends the loop after them, as
         # without eager processing; the next iteration's callback is kept.
         self.assertEqual(['eager', 'stopper', 'carried'], calls)
-        self.assertEqual(1, len(self.loop._ready))
+        self.assertEqual([handle], list(self.loop._ready))
         self.assertEqual(self.loop._selector.select.call_count, 2)
 
     def test_run_forever_stopped_before_start(self):