ipatests: Test replica installation using AD admin.
    
    Test to verify that replica connection check is not failing when
    the AD administrator Administrator@AD.EXAMPLE.COM is
    used for the deployment or promotion of a replica
    
    Related: https://pagure.io/freeipa/issue/9542
    
    Signed-off-by: Anuja More <amore@redhat.com>
    Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>