Help me convince my bf to get tested please.

I’ve been asking him for what seems like forever. 3 or 4 days ago I told him I’m not going to do anything sexual with him anymore until he does. He said he doesn’t care (well that he “has a hand”) and doesn’t seem to believe I’m really going to stick to what I said and keeps pushing for “favors” even though I’ve turned him down a bunch already.

I don’t know what else to do. I don’t want to break up with him over it but I really want him to do it. And I don’t really know how long I can stick to my word (I am only human)... Any advice?