Create a block of testimonials

Sorted by weight, added using the Weight module.
https://www.drupal.org/project/weight

If two testimonials have the same weight, they are sorted by their
created date.

config/sync/core.entity_form_display.node.testimonial.default.yml

@@ -7,6 +7,7 @@ dependencies:
     - field.field.node.testimonial.field_image
     - field.field.node.testimonial.field_role
     - field.field.node.testimonial.field_url
+    - field.field.node.testimonial.field_weight
     - image.style.thumbnail
     - node.type.testimonial
   module:
@@ -14,6 +15,7 @@ dependencies:
     - link
     - path
     - text
+    - weight
 id: node.testimonial.default
 targetEntityType: node
 bundle: testimonial
@@ -59,6 +61,12 @@ content:
       placeholder_url: ''
       placeholder_title: ''
     third_party_settings: {  }
+  field_weight:
+    type: weight_selector
+    weight: 123
+    region: content
+    settings: {  }
+    third_party_settings: {  }
   path:
     type: path
     weight: 30