From ee144d34a95f4365f44a53ddc51c95343ec6fd52 Mon Sep 17 00:00:00 2001
From: epenet <6771947+epenet@users.noreply.github.com>
Date: Tue, 28 Feb 2023 18:03:36 +0100
Subject: [PATCH] Adjust core test to avoid lingering task (#88918)

---
 tests/test_core.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tests/test_core.py b/tests/test_core.py
index eb81efae920..f627475270f 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -2034,7 +2034,8 @@ async def test_shutdown_does_not_block_on_shielded_tasks(
 ) -> None:
     """Ensure shutdown does not block on shielded tasks."""
     result = asyncio.Future()
-    shielded_task = asyncio.shield(asyncio.sleep(10))
+    sleep_task = asyncio.ensure_future(asyncio.sleep(10))
+    shielded_task = asyncio.shield(sleep_task)
 
     async def test_task():
         try:
@@ -2050,3 +2051,6 @@ async def test_shutdown_does_not_block_on_shielded_tasks(
     assert result.done()
     assert task.done()
     assert time.monotonic() - start < 0.5
+
+    # Cleanup lingering task after test is done
+    sleep_task.cancel()