MAGETWO-92021: [Tech debt] Improving dev experience for Products content type

- Build stabilization

Author: nathanjosiah

app/code/Magento/PageBuilder/Controller/Adminhtml/Form/Element/ProductConditions/Child.php

@@ -18,7 +18,7 @@ class Child extends \Magento\CatalogWidget\Controller\Adminhtml\Product\Widget
     /**
      * @var \Magento\CatalogWidget\Model\Rule
      */
-    protected $rule;
+    private $rule;
 
     /**
      * @param \Magento\Backend\App\Action\Context $context

dev/tests/js/jasmine/tests/app/code/PageBuilder/view/adminhtml/web/js/content-type/products/mass-converter/widget-directive.test.js

@@ -134,9 +134,11 @@ define([
                     config = {
                         html_variable: 'myhtml'
                     },
-                    attributes = '{{widget ' +
-                        'products_count="123" ' +
-                        'conditions_encoded="^[`1`:^[`type`:`My||Type`,`aggregator`:`all`^]^]"}}',
+                    attributes = {
+                        myhtml: '{{widget ' +
+                            'products_count="123" ' +
+                            'conditions_encoded="^[`1`:^[`type`:`My||Type`,`aggregator`:`all`^]^]"}}'
+                    },
                     result = model.fromDom(attributes, config);
 
                 expect(result.products_count).toBe(expected.products_count);