As title says. I checked at the five minutes mark. Nothing. Got delayed and checked again at 15. (Meant to be 10)
I know these are notorious for evaps and I've had many myself in the past but I didn't ever recall having one five mins over the time limit.
Only tested because I've had sore boobs for a week. Would usually avoid blue dye like the plague but local shops had one brand of test. I'm on mini pill but have missed some. Taken with afternoon wee