You can't take anything from the test when comparing cars, or even drivers that raced on different days. Each of the 12 teams built there cars around the Bridgestone tyre and not the Pirelli tyre, so even if you are the quickest on the Pirelli's it doesn't mean you will be in 3 months time when the cars built for the tyres are used. Also, comparing laptimes between the young driver test and the Abu Dhabi GP doesn't work either as we have no idea on few loads, engine settings, along with a few other things. Besides, the track had different grip levels than during the F1 weekend so you can't compare the times. At the end of the day, we won't know what team will be best until Bahrain Qualifying.