I am not sure who Shawn Coyle's source of information is about ETPS but I can assure eveyone that ETPS is most certainly still training FTEs on the fixed wing and rotary wing courses that it runs in the same manner that it has done for many years.
Also, JF has hit the nail on the head. To be a test pilot you need firstly to be a high ability, highly experienced pilot and if you are one of those then you need the right academic background as well. If a pilot does not have the requisite ability then he will not have the capacity to be able to undertake the testing tasks however good he is an an engineer.