Test pilot
A test pilot was a pilot who tested new prototypes. ()

In 2143, Test pilots Jonathan Archer and A.G. Robinson test piloted the NX-Alpha and NX-Beta and achieved breaking the Warp 2 barrier. ()

After graduating from Starfleet Academy, one of Christopher Pike's first assignments in Starfleet was test piloting new classes of shuttlecraft. () 

Michael Burnham was selected to test pilot the landing pods. ()

In 2374, When the  who was impersonating the individual Steth was brought aboard , he said he was a test pilot. ()

Other test pilots 
 A.G. Robinson
 Chuck Yeager
Occupations