Thank you for contacting us, I am afraid to say that, I was unable to locate the area in the theme... It would be better for us to understand your query with the help of edited screenshot. Create your screenshots using screenpresso (http://www.screenpresso.com). So that I can deliver you an exact and appropriate solution to you, I look forward to hearing from you soon. Thanks & Regards! Naveen Kolhe InkThemes.com
For testing purpose, use sandbox id there, I hope you are aware of the PayPal account transaction testing. Or allow us to check your site, we will test and let you know. Warm Regards! Naveen Kolhe InkThemes.com