Ticket 49494 - python 2 bytes mode.
    
    Bug Description:  a piece of python 2 support was removed that
    affected some tests.
    
    Fix Description:  Add back the suport for non-bytes mode.
    
    https://pagure.io/389-ds-base/issue/49494
    
    Author: wibrown
    
    Review by: tbordaz (Thanks)