diff --git a/tests/worker/test_workflow.py b/tests/worker/test_workflow.py
index cfc0190314..8594988ae9 100644
--- a/tests/worker/test_workflow.py
+++ b/tests/worker/test_workflow.py
@@ -1340,7 +1340,7 @@ async def run(self) -> NoReturn:
         except asyncio.CancelledError:
             self._reason_inner = workflow.cancellation_reason()
         try:
-            await asyncio.sleep(1000)
+            await workflow.wait_condition(lambda: False)
         except asyncio.CancelledError:
             self._reason_outer = workflow.cancellation_reason()
             raise