Pregnant or not

So in the beginning of May I had what I assumed was my period(it was fairly light which isn't normal for me and it didn't last as long as my periods usually do) but I didn't think much of it. Then roughly two weeks later I started spotting it was a brownish discharge that only really showed when I wiped. It also lasted for a day or so. Now my period for this month was supposed to be due about 4 days ago but it has yet to come. Is it too early/too late to take a pregnancy test? I haven't really had any signs of symptoms of pregnancy so I'm not sure if I should wait it out or take a test asap