From a3f3b0bed49f8d830f1e31cb1df3a70699391b43 Mon Sep 17 00:00:00 2001
From: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Date: Tue, 31 Mar 2026 16:21:26 +0200
Subject: [PATCH] Fix lingering tasks in update_coordinator test (#166968)

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

diff --git a/tests/helpers/test_update_coordinator.py b/tests/helpers/test_update_coordinator.py
index 77a3c90ee0e..d4a35c7aa55 100644
--- a/tests/helpers/test_update_coordinator.py
+++ b/tests/helpers/test_update_coordinator.py
@@ -534,7 +534,7 @@ async def test_update_locks(
 
     # Add subscriber
     update_callback = Mock()
-    crd.async_add_listener(update_callback)
+    remove_callbacks = crd.async_add_listener(update_callback)
 
     assert crd.update_interval
 
@@ -578,6 +578,10 @@ async def test_update_locks(
     # Unblock queued update
     block.set()
 
+    # Remove callbacks to avoid lingering timers
+    remove_callbacks()
+    await crd.async_shutdown()
+
 
 async def test_refresh_recover(
     crd: update_coordinator.DataUpdateCoordinator[int], caplog: pytest.LogCaptureFixture