alias: fix up test results

alias: fix up test results

--- a/tests/test-alias.t	Fri Jul 15 18:03:37 2011 -0500
+++ b/tests/test-alias.t	Mon Jul 18 14:53:52 2011 -0500
@@ -274,6 +274,8 @@
   hg: unknown command 'subalias'
   [255]
   $ hg -R .. subalias > /dev/null
+  hg: unknown command 'subalias'
+  [255]
 
 
 shell alias defined in other repo
@@ -282,7 +284,6 @@
   hg: unknown command 'mainalias'
   [255]
   $ hg -R .. mainalias
-  warning: --repository ignored
   main
   $ hg --cwd .. mainalias
   main