diff --git a/tests/test-extension.out b/tests/test-extension.out
--- a/tests/test-extension.out
+++ b/tests/test-extension.out
@@ -19,3 +19,6 @@ ui.parentui isnot None
 reposetup called for a
 ui == repo.ui
 Foo
+empty extension - empty cmdtable
+
+no commands defined