First, as you correctly surmised, you didn't have any risk for HIV. So, PEP isn't necessary and neither is testings.
It is not possible to predict which people will or will not experience side effects from any medication, though long-term damage is not likely. This is a post about one person's experience with PrEP, which is similar: https://
www.medhelp.org/posts/HIV-Prevention/The-bad-outweighs-the-good/show/3059177 Of course, this is a worst-case, and many people tolerate it just fine.
But, why take the risk of any side effects when taking PEP is not necessary at all? I would not.