It's been 22 years since Formula One saw a female driver make laps during a race weekend and now, Susie Wolff looks to be the next.
Maldonado was fastest in Barcelona Wednesday, ahead of Rosberg, who spent part of the day testing the controversial 'megaphone' exhaust.
Mercedes tested a 'megaphone' like component Wednesday, in hopes of amplifying the engine sound.
Marussia's Max Chilton topped the charts in the opening day of testing in Spain.
Mercedes paced the first and second days of April testing in Bahrain, with Lewis Hamilton getting to spend some time in the No. 1 spot on day two.
Felipe Nasr got the chance to drive a Williams in the second day of testing in Bahrain.
Red Bull's Daniel Ricciardo completed 67 laps on the second day of testing in Bahrain after electrical issues plagued the RB10 in the morning.
Nico Rosberg and Mercedes topped the charts in the opening day of testing in Bahrain.