Romain Grosjean from Andretti Autosport chats with a local TV crew during a break in testing at Iowa Speedway. Photo by Bruce Martin By Bruce Martin for TrackSideOnline.com presented by Honda Racing/HPD INDYCAR Teams Test at Iowa Speedway in advance of July’s Hy-Vee INDYCAR Race Weekend NEWTON, Iowa – Colton Herta of Andretti Autosport was…