Accidentally changed directory in wordpress

I just completed my wordpress site and was attempting to move it out of the “testsite” directory I had it in. I went into the wordpress settings and changed /testsite/wp-admin to just /wp-admin and then moved all my files on the server out of the testsite folder. Now I have parsing errors and I can’t get back to that page to correct this because the browser keeps going to wp-admin instead of testsite/wp-admin. So what file do I need to change to get back to testsite/wp-admin?

thanks