I would talk to your GSTL or ETL-GE and let them know that you are interested. They can work with you on developmental activities; it also wouldn't hurt to volunteer to take on projects. I have 3 gals I'm trying to develop and each one has a captainship; The Vibe, Loyalty Cards, and Selling Service Plans at the lanes. If you have ideas on how to improve scores, share them with your leaders. Make sure you are achieving 100% of your core roles. As you gain experience you will be able to ace the interview, no problem.