You may not have needed to go out and get and HIV
test, since I doubt you would be at risk for HIV from
That being said, it sound's like you may also have OCD. It sounds like you are worrying excessively and irrationally. Read about OCD.
I always ask anyone I get intimate with before hand, if they have any STDs. If they are nasty about answering you, then they are not right for you. Most people will be open and up front about it.