Over Saturated Test??

I’m supposed to start my period within the next couple days, but I’m not exactly sure when because I stopped my b/c pills mid cycle last month. This caused me to spot on and off for a couple of weeks. I’ve taken a few tests the past couple days and they have all been negative. This morning, half asleep, I definitely held the test in my urine stream for longer than 5 seconds. Can anyone see a line here? I think I see one, but it has almost no color. Popped up within a couple minutes. Is the test invalid? Help! My fiancé and I thought it would take months to conceive, and I can’t believe it would happen on the first try?!?