Ticket 49431 - Add CI test case
    
    Description: Add a test case to suites/replication/regression_test.py
    Test that replicated MODRDN does not break replication
    
    https://fedorahosted.org/389/ticket/49431
    
    Reviewed by: spichugi, lkrispen, wibrown (thanks!)
    
    Signed-off-by: Simon Pichugin <spichugi@redhat.com>