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"
Is there an error message when trying to diff non-existing files?
found: No such file or directory
not: No such file or directory
Is there an error message when trying to add non-existing files?
found: No such file or directory
not: No such file or directory