Chevrolet Ready for First Road Course Test   ·         Team Chevy has won past three races at Barber Motorsports Park ᴏ Reigning champion Josef Newgarden has two wins at racetrack ·         Ninety laps on 2.38-mile, 17-turn course follow oval, street course races ᴏ Chevy Racing has posted win, runner-up finish the past two weeks ·         Tested Chevy engine…