From ff1c89db248d3c01454a52259425401d7bda398f Mon Sep 17 00:00:00 2001
From: "Maarten A. Breddels" <maartenbreddels@gmail.com>
Date: Mon, 18 Dec 2023 16:25:08 +0100
Subject: [PATCH] test: make more stable by waiting for task to finish

---
 tests/integration/memleak_test.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/integration/memleak_test.py b/tests/integration/memleak_test.py
index 8a5a78470..f3ee962bd 100644
--- a/tests/integration/memleak_test.py
+++ b/tests/integration/memleak_test.py
@@ -1,4 +1,5 @@
 import gc
+import threading
 import time
 import weakref
 from pathlib import Path
@@ -45,6 +46,11 @@ def _scoped_test_memleak(
         shell = weakref.ref(kernel().shell)
         session = weakref.ref(kernel().session)
         page_session.goto("about:blank")
+        if context()._last_kernel_cull_task:
+            if not context()._last_kernel_cull_task.done():
+                event = threading.Event()
+                context()._last_kernel_cull_task.add_done_callback(lambda _: event.set())
+                assert event.wait()
         assert context().closed_event.wait(10)
         if shell():
             del shell().__dict__