ipatests: extend AES keyset to SHA2-based ones
    
    Fixes: https://pagure.io/freeipa/issue/9119
    
    Signed-off-by: Alexander Bokovoy <abokovoy@redhat.com>
    Reviewed-By: Julien Rische <jrische@redhat.com>
    Reviewed-By: Francisco Trivino <ftrivino@redhat.com>