What Are The Possible Test Methods To Confirm HIV?

Relationship of 7 years,I have appeared Genital wart.I asked my friend to hold the analysis of HIV negative result After 3 years I have appeared granuloma annular and disappeared after a week And remained little thing on my hands and barely sees Strained recently and asked my friend to hold the analysis again, and the outcome was negative But I still think I was HIV-positive and I can not work analyzes, Am I infected?