Some blocks are generating errors in console related to differences in edit/save output

[htmgarcia]

Block validation: Block validation failed for `advgb/testimonial` ( 
Object { name: "advgb/testimonial", icon: {…}, keywords: (3) […], attributes: {…}, providesContext: {}, usesContext: [], selectors: {}, supports: {}, styles: [], blockHooks: {}, … }
 ).

Content generated by `save` function:

<div class="wp-block-advgb-testimonial advgb-testimonial-wrapper" id="advgb-testimonial-68f78cfe-5f4e-45c5-97cf-dd83b6256033"><div class="advgb-testimonial advgb-avatar-top"><div class="advgb-testimonial-item"><div class="advgb-testimonial-avatar-group"><div class="advgb-testimonial-avatar" style="background-image:url(http://testo1.local/wp-content/plugins/advanced-gutenberg-pro/lib/vendor/publishpress/publishpress-blocks/assets/blocks/testimonial/avatar-placeholder.png);border-radius:50%;border-width:undefinedpx;width:120px;height:120px"></div></div><div class="advgb-testimonial-info"><h4 class="advgb-testimonial-name">Person Name</h4><p class="advgb-testimonial-position">Job Position</p><p class="advgb-testimonial-desc">A little description about this person will show up here.</p></div></div></div></div>

Content retrieved from post body:

<div class="wp-block-advgb-testimonial advgb-testimonial-wrapper" id="advgb-testimonial-68f78cfe-5f4e-45c5-97cf-dd83b6256033"><div class="advgb-testimonial advgb-avatar-top"><div class="advgb-testimonial-item"><div class="advgb-testimonial-avatar-group"><div class="advgb-testimonial-avatar" style="background-image:url(http://testo1.local/wp-content/plugins/advanced-gutenberg/assets/blocks/testimonial/avatar-placeholder.png);border-radius:50%;border-width:undefinedpx;width:120px;height:120px"></div></div><div class="advgb-testimonial-info"><h4 class="advgb-testimonial-name">Person Name</h4><p class="advgb-testimonial-position">Job Position</p><p class="advgb-testimonial-desc">A little description about this person will show up here.</p></div></div></div></div>

[htmgarcia]

It happens in Pro only. The issue relies on the fact the path to the free repository image is different than when using free version.