Has anyone ever had their “period” or period like bleed the dates Aunt Flo was due, and had a positive test afterwards?

I came on like normal, lasted a day less that usual, still didn’t think anything of it, came off Tuesday last week, Saturday had some brown old blood when wiping, did a test and bang positive straight away, did two more the next day with morning urine, very positive.

They are now not so positive, so I’m very confused.

Estimated 5 weeks 3 days today. Hoping to get bloods to confirm it