Fernando Alonso left hospital in Barcelona today, but McLaren has confirmed that the former World Champion will miss the test that runs for four days from tomorrow.
He will be replaced for the test by third driver Kevin Magnussen, although Jenson Button will definitely drive on the first day.
A short statement said: “Following his testing accident at the Circuit de Barcelona-Catalunya last Sunday, we are pleased to confirm that Fernando Alonso has now left hospital. He has returned to his family’s home in Spain for further rest and recuperation.
“As a result, he will sit out this week’s final winter test, at which he was due to share driving duties with Jenson Button. Kevin Magnussen, McLaren-Honda’s test and reserve driver, will replace him.
“Jenson will be testing the McLaren-Honda car tomorrow (February 26), and the team will confirm the full day-to-day running order in due course.”
Adam Cooper's F1 Blog 
Glad Alonso is well enough to go home although worrying that they already know he won’t be well enough for any of this vital last test. Magnussen will be delighted to get some unexpected in-car time but I doubt it will be a straight 2 day split with Jenson will it?
Good news about FA. This Magnussen kid sounds good, would like to see him racing in F1 sooner or later.
Seriously though, mixed blessing eh? “Thanks for all your hard work Kevin, here’s what you could have won!”
F1 Life, eh…
Recuperation from what kind of injury? Artful dodging or lack if transparency?