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

Author: OlgaVasyltsun

app/code/Magento/Swatches/Test/Unit/Model/SwatchAttributesProviderTest.php

@@ -16,7 +16,7 @@ class SwatchAttributesProviderTest extends \PHPUnit_Framework_TestCase
     /**
      * @var SwatchAttributesProvider
      */
-    private $swatchAttributesProvider;
+    protected $swatchAttributesProvider;
 
     /**
      * @var Configurable

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

@@ -1,4 +1,8 @@
 <?php
+/**
+ * Copyright © 2013-2017 Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
 use Magento\Eav\Api\Data\AttributeOptionInterface;
 
 /** @var \Magento\Framework\ObjectManagerInterface $objectManager */
@@ -63,7 +67,7 @@ function ($values, $index) use ($optionsPerAttribute) {
 
 $attribute = $objectManager->create(
     \Magento\Catalog\Api\Data\ProductAttributeInterface::class,
-    ['data' => $data])
-    ;
+    ['data' => $data]
+    );
 $attribute->setOptions($options);
 $attribute->save();