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/field.field.node.testimonial.field_weight.yml

@@ -0,0 +1,24 @@
+uuid: 439fa0fe-e67a-4ea2-9459-c6407159086f
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.node.field_weight
+    - node.type.testimonial
+  module:
+    - weight
+id: node.testimonial.field_weight
+field_name: field_weight
+entity_type: node
+bundle: testimonial
+label: Weight
+description: ''
+required: true
+translatable: false
+default_value:
+  -
+    value: '0'
+default_value_callback: ''
+settings:
+  range: '20'
+field_type: weight