These guesses feel like they exist only to stir the pot.
As far as I know, no one in here knows how long the certification process is. I'm going to assume that everything is fine, because I've been given no indication to feel otherwise. To do anything else is just guesses and assumptions, both of which do little good and contribute negatively, in my opinion.
I know we're all very excited for the Viggen, so let's try to keep it positive.