Two initial qual FOs will suffice. I think complete crew just means you won't have to worry about doing the checkride alone. There will be someone in the other seat acting as the other pilot would. It can even be a sim instructor. I did my initial FO on the Beech with another initial FO and we acted as PM for each other on our checkrides. At Chautauqua, I did sim training with another ERJ intial FO, but our sim instructor's philosophy was the PM should be proficient for the checkride, so another sim instructor acted as our PM.