--- a/tests/test-amend.t	Wed Apr 20 16:40:11 2016 -0700
+++ b/tests/test-amend.t	Thu May 05 22:13:02 2016 +0200
@@ -107,7 +107,7 @@
   $ HGUSER=
   $ hg amend -e --config ui.username= -m "empty user"
   abort: no username supplied
-  (use "hg config --edit" to set your username)
+  (use 'hg config --edit' to set your username)
   [255]
   $ hg sum
   parent: 8:* tip (glob)