Issue 49071 - Add test case to tickets
    
    Description: Testing Import ldif with duplicate DNs,
    	     should not log error "unable to flush
    
    Ticket: https://pagure.io/389-ds-base/issue/49071
    
    Reviewed by: Simon Pichugin
    
    Signed-off-by: Simon Pichugin <spichugi@redhat.com>