Should I test or wait it out?

I am currently 3 days late for AF. I've never been late for more than 1 day and I don't feel like she's gonna show. I have always had a very normal regular AF at a 26 day cycle, lutheal phase at 14/15. I haven't gotten any normal signs like I usually do. Last month my period was a little wacky as far as it being nothing but a very light barely there brown/pink spotting for 5 days and now here I am onto the next month 3 days late. I haven't tested yet cause I don't wanna be disappointed. Should I just go ahead and test or wait it out until a full 7 days late?