An interesting book on this subject might be ‘Luftwaffe Test Pilot’ by
Hans Werner Lerche , he flew a fair number of captured Allied Aircraft during WW2 including

Spitfire
Typhoon
Tempest
P51B
P47D
Wellington
Blenheim
B24 and B17
Lancaster

His final wartime flight was a Do335 from Rechlin to near Munich , this aircraft went to the USA for some years but returned to Germany to be restored in the 70’s.