magento/graphql-ce#736: Configurable products with "out of stock" return as product: null

- code style fixes

Author: lenaorobei

dev/tests/api-functional/testsuite/Magento/GraphQl/ConfigurableProduct/ConfigurableProductStockStatusTest.php

@@ -43,9 +43,10 @@ public function testConfigurableProductShowOutOfStock()
         $this->stockRegistry->updateStockItemBySku($childSkuOutOfStock, $stockItem);
         $query = $this->getQuery($parentSku);
         $response = $this->graphQlQuery($query);
-        $this->assertArraySubset([
-            ['product' => ['sku' => $childSkuOutOfStock, 'stock_status' => 'OUT_OF_STOCK']]],
-            $response['products']['items'][0]['variants']);
+        $this->assertArraySubset(
+            [['product' => ['sku' => $childSkuOutOfStock, 'stock_status' => 'OUT_OF_STOCK']]],
+            $response['products']['items'][0]['variants']
+        );
     }
 
     /**