Groups in Procedures

Hi.
I’m doing the example here:


I get to create the procedure order, but then it does not appear in Patient Results.
I think that when I put the group after a Procedure Order, it does not appear in results, however if after Procedure Order I place a Discrete Result, yes, it appears.
Could it be that the example does not work?
I did it in OpenEMR Demo ©.
Thank you.
Regards.
Luis