If you are considering a 'real world' visit to Hellifield Station, you might like to note that there is a cafe in the former refreshment room (on the private part of the station platform). The cafe does not have a website or published opening hours / contact details, but it is usually open daily during the morning and early afternoon.
For information about the passenger-related facilities available at this station (toilets, booking facilities, etc.), see:
This page includes links to timetables and other useful information about the train service.