The Enstone based outfit 's test driver Jolyon Palmer was driving in place of Romain Grosjean .
The Enstone based outfit 's test driver Jolyon Palmer ended the session in 15th place with a fastest time of 1m 27.669 s completing 28 laps .
The Enstone based outfit 's test driver Jolyon Palmer was driving in place of Romain Grosjean and ended the session in 15th place with a fastest time of 1m 27.669 s completing 28 laps .