--- a/tests/test-treediscovery-legacy.t	Mon Nov 23 12:31:53 2020 -0800
+++ b/tests/test-treediscovery-legacy.t	Mon Nov 23 12:42:57 2020 -0800
@@ -285,7 +285,7 @@
   $ hg push $remote
   pushing to http://localhost:$HGPORT/
   searching for changes
-  abort: push creates new remote branches: both, name1!
+  abort: push creates new remote branches: both, name1
   (use 'hg push --new-branch' to create new remote branches)
   [255]
   $ hg push $remote --new-branch