This is not the doctor's forum. If you want an answer from a doctor, you'll have to pay the fee and post on the expert forum.
You never had a risk. The condom "slipping" is not a concern. As long as the head of your penis remained covered with a condom during insertive sex, then you were protected.
You never needed testing, and still do not need testing. You had no risk, you don't have HIV.
Please medical advice with e,pwrtise in field.