anyone testing out their triggers? (does that make sense lol)

Helina
So I'm 2dpiui and I've seen a couple of people on the discussion boards saying they're testing out side of their trigger shot (i.e. Pregnancy testing every day to see if it gets darker, etc because the trigger shot will give false positives up until 10 days)
Has anyone done this? Doing this? What's the point precisely? Thanksss!