test fix for sku variant values

src/Model/Table/ProductSkusTable.php

@@ -65,6 +65,14 @@ class ProductSkusTable extends Table
             'foreignKey' => 'product_id',
             'joinType' => 'INNER',
         ]);
+
+        $this->hasMany('ProductSkuVariantValues', [
+            'foreignKey' => 'product_sku_id',
+            'className' => 'CakeProducts.ProductSkuVariantValues',
+            'saveStrategy' => 'replace',
+            'dependent' => true,
+            'cascadeCallbacks' => true,
+        ]);
     }
 
     /**