By Steve Wittich Here is the NTT INDYCAR SERIES open test schedule that will feature 32 cars and drivers preparing for the 105th Indianapolis 500 presented by Gainbridge. It’s currently raining here on the north side of Indianapolis, so don’t be surprised if the forecast changes. Thursday, April 8 TIMEEVENT7:18amSunrise8amGarage Opens11am – 1pmOval Veterans1pm -…