Handle samba changes in samba.security.dom_sid()
    
    samba.security.dom_sid() in 4.19 now raises ValueError instead of
    TypeError. Fix the expected exception.
    
    Related: https://pagure.io/freeipa/issue/9466
    
    Signed-off-by: Florence Blanc-Renaud <flo@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
    Reviewed-By: Rob Crittenden <rcritten@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>