when should i test?

Domynique • Happily taken and a mommy to a beautiful girl
AF is a no show so far. On Sunday I had what I think is a faint positive, I know the second like was there but not sure how long it took to come up because I tossed it since I didn't immediately see the second line. I normally bloat before AF and I'm not bloated at all. I have a normal 28 day cycle. M too scared to test to see that BFN(learn more on Glow: https://glowing.com)