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

hg init
python -c 'print "confuse str.splitlines\nembedded\rnewline"' > a
hg ci -Ama -d '1 0'
echo clean diff >> a
hg ci -mb -d '2 0'
hg diff -r0 -r1