Passing code through Testimonials plugin

Hi there! I am trying to pass an icon image next to my text (with html) through the testimonial plugin. But the image won’t show up. The full editor is available with creating a testimonial. So shouldn’t I be able to add an image?

Hello,

Can you please provide some explanatory screenshots with a link to your website and icon?

You can upload screenshots to your WordPress Media Library and share a link, or you can use one of the online screenshot services.

Kind Regards, Roman.