MAGETWO-65402: [Backport] - [Performance] Optimize validation of swatches attributes - for 2.1.6

Author: OlgaVasyltsun

dev/tests/integration/testsuite/Magento/Swatches/_files/swatch_attribute.php

@@ -68,6 +68,6 @@ function ($values, $index) use ($optionsPerAttribute) {
 $attribute = $objectManager->create(
     \Magento\Catalog\Api\Data\ProductAttributeInterface::class,
     ['data' => $data]
-    );
+);
 $attribute->setOptions($options);
 $attribute->save();

dev/tests/integration/testsuite/Magento/Swatches/_files/swatch_attribute_rollback.php

@@ -1,4 +1,8 @@
 <?php
+/**
+ * Copyright © 2013-2017 Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
 /** @var \Magento\Framework\Registry $registry */
 $registry = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get(\Magento\Framework\Registry::class);