Thank u, sukassa. I signed up from the website, but they seem to only allow players from high tiers, who play a lot with carriers. My highest ship is tier 3, and it seems I won't be testing it.
Note: WG also sent me an invitation email for British destroyer testing, but they later sent me another email saying they sent the other one by accident.
Note 2: It's been two days now, I don't think I'll make it.