tests/test-completion.t

--- a/tests/test-completion.t	Thu Dec 07 01:53:14 2017 +0100
+++ b/tests/test-completion.t	Wed Dec 06 22:44:51 2017 +0100
@@ -261,7 +261,7 @@
   debugdate: extended
   debugdeltachain: changelog, manifest, dir, template
   debugdirstate: nodates, datesort
-  debugdiscovery: old, nonheads, ssh, remotecmd, insecure
+  debugdiscovery: old, nonheads, rev, ssh, remotecmd, insecure
   debugextensions: template
   debugfileset: rev
   debugfsinfo: