diff --git a/tests/test_server.py b/tests/test_server.py
index 184a391a..1fa345eb 100644
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -26,4 +26,5 @@ def test_basic(server):
         timeout=None,
     )
 
-    server.run_blockwise([task])
+    task_state = server.run_blockwise([task])
+    assert task_state[task.task_id].is_done(), task_state[task.task_id]