Ticket 49007 - Update DS basic test to better work with systemd.
    
    Bug Description:  The basic test used to assume certain systemd paths.
    
    Fix Description:  Because lib389 has picked up support for systemctl, we
    can now call upon this in our tests.
    
    https://fedorahosted.org/389/ticket/49007
    
    Author: wibrown
    
    Review by: mreynolds (Thanks!)