Personally, anytime I had any spotting so close to my period it ended up being af. Some months were just "off" and I'd get excited for nothing. I also avoided early testing because it's so easy to rationalize an early, negative test as being taken too early and the obsession continues.
This is not to say there is no chance you could be pregnant. You absolutely may be. It just took me so long to conceive that I eventually became so over the 2ww and thinking everything my body did was a sign that I was pregnant. I think you should just wait until the last possible day you could have gotten AF and test the morning after that. Believe me, the excitement of a bfp isn't any less when you wait and there will be no doubt when it happens.