Add integration test for otp kerberos ticket policy.
    
    This also exercises the Authentication Indicator Kerberos ticket
    policy options by testing a otp indicator type.
    
    Related: https://pagure.io/freeipa/issue/8001
    
    Signed-off-by: Anuja More <amore@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>