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Red Bull has confirmed its driver line-up for next week's test in Spain.
Former Toro Rosso driver and current Red Bull reserve driver Sebastien Buemi will drive the RB10 on Tuesday.
Buemi most recently tested for Red Bull during a Pirelli tyre test at the end of 2013.
Reigning world champion Sebastian Vettel will resume duties on the final day of the test on Wednesday.
Next week's test is the second of four planned tests which will take place across the 2014 season.
