World champion Jenson Button sets fastest time of the two pre-season testing sessions . British driver tops timesheets at Bahrain on Saturday for his new team Barcelona . The Spaniard has appointed former Force India boss Colin Kolles as team principal of an outfit which has just one confirmed driver , Bruno Senna . `` I would like to thank Bernie Ecclestone , who worked tremendously to support our efforts to keep the team viable , '' Carabante told F1 's official Web site . `` The whole rescue operation has been a race against time with the goal of always having the team run two competitive cars at the first Grand Prix of the F1 season . ` Teams head to Barcelona pre-season for final sessions before third race in Bahrain . Struggling new team Campos confident of competing after naming new team boss .
World champion Jenson Button sets fastest time of the two pre-season testing sessions . British driver tops timesheets at Bahrain on Saturday for his new team Barcelona . Teams head to Barcelona pre-season for final sessions before third race in Bahrain . Struggling new team Campos confident of competing after naming new team boss .