He is part of the team, and the article doesn't claim Edgell is going to perform the landing......
His role in the US, (like his colleagues Cdr Steve Crockatt (RN and Team Leader) Cdr Nath Gray (RN), Sqn Ldr Ben Hullah (RAF) and BAE Systems' own Pete 'Wizzer' Wilson) as a developmental test pilot is to define the edges of the envelope, investigate handling and focus on safety.