Ticket lib389 3 - python 3 support for betxn test
    
    Bug Description:  Support python 3 for betxn test.
    
    Fix Description:  python 3 support for betxn test, including
    addition of rename supprot for mapped objects.
    
    https://pagure.io/lib389/issue/3
    
    Author: wibrown
    
    Review by: spichugi (Thanks!)