Will I be infected with HIV? Answer.

I have a girlfriend whom I know for about half a year. We had plans of getting married. She had a boyfriend before and they had broken up. She is a well educated girl and she is very sure that she has no hiv issues since she is a virgin and that she had not tried sex before. A week back we got intimate and she touched her private part with mine. It was not even for a minute. I got scared and was not ready to move further. It has been a week and I have so many doubts about infection. I asked her and she is very sure that she is HIV NEGATIVE. I am still not able to take that and have fallen into anxiety disorder and I am scared for even cough and sore throat. Please help me. Will I be infected.? I am really scared to get tested too. I depend on your answer.