magento-engcom#101: Use unique string for SKU.

Author: carstenpfeifer

dev/tests/functional/tests/app/Magento/CatalogUrlRewrite/Test/TestCase/CreateDuplicateUrlProductEntity.php

@@ -93,7 +93,8 @@ public function testCreate(
         )->run();
 
         for ($index = 0; $index < 2; $index++) {
-            // Duplicate product
+            // Duplicate product - need to supply unique SKU
+            $product->setSku($product->getSku() . $index);
             $productGrid->open();
             $productGrid->getGridPageActionBlock()->addProduct('simple');
             $newProductPage->getProductForm()->fill($product, null, $category);