--- a/tests/test-completion.t	Sun Jul 22 16:03:48 2018 +0900
+++ b/tests/test-completion.t	Sat Jul 21 14:52:36 2018 +0900
@@ -274,7 +274,7 @@
   debugdiscovery: old, nonheads, rev, ssh, remotecmd, insecure
   debugdownload: output
   debugextensions: template
-  debugfileset: rev, all-files
+  debugfileset: rev, all-files, show-stage
   debugformat: template
   debugfsinfo: 
   debuggetbundle: head, common, type