MAGETWO-96545: Wrong calculation of invoiced items in shipment document in order with bundle product after partial invoice

- Stabilize functional tets.

Author: nikshostko

dev/tests/functional/tests/app/Magento/Bundle/Test/Fixture/Cart/Item.php

@@ -45,8 +45,10 @@ public function getData($key = null)
                 : number_format($bundleOptions['assigned_products'][$optionKey]['data']['selection_price_value'], 2);
             $optionData = [
                 'title' => $checkoutOption['title'],
-                'value' => "{$value} {$price}",
-                'sku' => "{$value}"
+                'value' => "{$qty} x {$value} {$price}",
+                'sku' => "{$qty} x {$value}",
+                'partialInvoiceValue' => "{$value} {$price}",
+                'partialInvoiceSku' => "{$value}"
             ];
 
             $checkoutBundleOptions[$checkoutOptionKey] = $optionData;

dev/tests/functional/tests/app/Magento/Bundle/Test/TestStep/CreatePartialInvoiceStep.php

@@ -20,6 +20,11 @@ class CreatePartialInvoiceStep extends \Magento\Sales\Test\TestStep\CreateInvoic
     protected function getItems()
     {
         $items = parent::getItems();
-        return $items[0]->getData()['options'];
+        $items = $items[0]->getData()['options'];
+        foreach ($items as &$item) {
+            $item['value'] = $item['partialInvoiceValue'];
+            $item['sku'] = $item['partialInvoiceSku'];
+        }
+        return $items;
     }
 }