diff --git a/tests/pipeline/test_resources_evaluation.py b/tests/pipeline/test_resources_evaluation.py
index 4062897334..c938498426 100644
--- a/tests/pipeline/test_resources_evaluation.py
+++ b/tests/pipeline/test_resources_evaluation.py
@@ -168,7 +168,7 @@ def source():
     elif resource_mode in ["second_async"]:
         assert execution_order == ["one", "one", "one", "two", "two", "two"]
     else:
-        assert False, "Should not reach here"
+        raise AssertionError("Unknown combination")
 
 
 def test_limit_async_resource() -> None: