Officer Kite is right, they will propose you to both airline Westend. There was just a Wizz Air interview so far and the Smartlynx cadet have been selected regarding their BAA assessment only. That will maybe change but nothing for sure.
Officer Kite, do you know who didn't pay the fee? I paid myself and didn't here of someone who didn't but it's possible. The fee are only for the BAA assessment. For the Airline interviews there isn't any fees. So if you paid it once it's valid for a year(BAA assessment is valid for a year) no matter how many airline are presented.
Hope that helps