Sweden followed up Thursday's 40–24 win in Eskilstuna with 41–28 in Gävle on Saturday.
Spain lacked many of its best players.
But Axnér said before the international matches that this week's gathering was more about evaluating the Olympic Games (four) and looking ahead.
The players come from a very long summer with championships and only a short vacation, one week in September. They need to catch their breath and land a bit, he said.
Then I want to see good performances against Spain. Many are highly relevant ahead of the championship.
Ida Sembe was hastily called up when Mathilda Lundström got injured during practice, and she made her national team debut with a goal in Saturday's match in Gävle.
It's great to get it over with, she says to SVT.