nervous for another BFN :(

my SO and I have been TTC for 3 months now and I'm so scared to get ANOTHER BFN that I don't wanna test :(

I've been very fatigued and nausea has been kicking my butt, I've had heartburn quite often, and I'm aggressively hungry (even right now lol) AF was due yesterday and never came. should I wait or test???