--- a/tests/test-help.t	Sat Apr 01 17:12:48 2017 +0900
+++ b/tests/test-help.t	Fri Dec 15 09:30:16 2017 +0100
@@ -919,6 +919,8 @@
                  show the contents of the current dirstate
    debugdiscovery
                  runs the changeset discovery protocol in isolation
+   debugdownload
+                 download a resource using Mercurial logic and config
    debugextensions
                  show information about active extensions
    debugfileset  parse and apply a fileset specification