Could this be an evap line?

Angel • Mommy of an angel baby girl 11.08.19 👼🏻 Rainbow baby boy born 01.30.21 💙💙 baby girl due 05.10.25 🎀

I’m losing my mind over here and this is within the time frame (5 minutes) test looked the exact same as yesterday’s so now I’m thinking it might not be positive.