--- a/tests/test-topic-dest.t	Fri Dec 20 17:17:30 2019 +0530
+++ b/tests/test-topic-dest.t	Fri Dec 20 17:31:57 2019 +0530
@@ -512,5 +512,6 @@
   adding a
   $ hg topic foo
   marked working directory as topic: foo
-  $ hg up 2>&1 | grep "AssertionError"
-  AssertionError: any branch has at least one head
+  $ hg up
+  clearing empty topic "foo"
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved