He needs that test regardless of whether he wants to be a parent. If he doesn’t he’s financially stuck with that kid for 18 years regardless of whether it’s his.

And it’s not pessimistic to reconsider your options in this scenario. If you don’t want to be with a parent, that’s fully within your rights and in my opinion smart considering you’re 21. At bear minimum you should be taking a step back and reevaluating the situation