Le Castellet, March 31- MIM driver David Vidales topped the time sheet in the final round of a two-day testing session at the Paul Ricard circuit in southern France. After working on settings, Vidales scored a best time of 1min58sec287 on his 28th lap in the session. Now the Prema Powerteam driver looks all set ahead of the first round of the series, which will take place mid-April at Imola during the F1 Grand Prix weekend.