I need some eyes/advice

Leighandra Paige
I took a test Sunday and I was SURE I saw a line on it. Here's that test: 
However, I took a test this morning, and I'm pretty sure there isn't a line at all.. This test: 
Was the first line just a shadow/indent? Am I having a chemical? I'm highly confused right now because I've been spotting for 8 days (all brown/pink and only when I wipe except for one day).