magento/graphql-ce#808: [Test coverage] Add disabled variation of Configurable Product to cart

- code style fixes

Author: lenaorobei

dev/tests/integration/testsuite/Magento/ConfigurableProduct/_files/product_configurable_zero_qty_first_child.php

@@ -10,12 +10,14 @@
 $childSku = 'simple_10';
 try {
     $childProduct = $productRepository->get($childSku);
-    $childProduct->setStockData([
-        'use_config_manage_stock' => 1,
-        'qty' => 0,
-        'is_qty_decimal' => 0,
-        'is_in_stock' => 0
-    ]);
+    $childProduct->setStockData(
+        [
+            'use_config_manage_stock' => 1,
+            'qty' => 0,
+            'is_qty_decimal' => 0,
+            'is_in_stock' => 0
+        ]
+    );
     $productRepository->save($childProduct);
 } catch (Exception $e) {
     // Nothing to remove