 Complete the following phrase:  At the beginning of 2007, Kobayashi, along with Kohei Hirate, was named as one of the Toyota Formula One teams test drivers. He stayed in the Euro Series for the upcoming season and had an impressive start, taking two podiums in the first four rounds. He achieved his first race victory in Formula 3 at Magny-Cours, in the tenth round, a support race for the Formula One 