Print less scary message if the system supports symlinks: "Skipping test-no-symlinks: system supports symbolic links" instead of "Skipping test-no-symlinks: unexpected feature: symbolic links"

#!/bin/sh
# http://www.selenic.com/mercurial/bts/issue433

hg init a
cd a
echo a > a
hg commit -Ama

hg parents -r 0 doesnotexist
true