MAGETWO-58559: [Backport] - [Flat] Filter Exception - for 2.1

Author: valdislav

app/code/Magento/Catalog/Test/Unit/Model/Indexer/Product/Flat/Table/BuilderTest.php

@@ -3,7 +3,7 @@
  * Copyright © 2016 Magento. All rights reserved.
  * See COPYING.txt for license details.
  */
-namespace Magento\Catalog\Test\Unit\Model\Indexer\Product\Flat\Table\Builder;
+namespace Magento\Catalog\Test\Unit\Model\Indexer\Product\Flat\Table;
 
 /**
  * Class BuilderTest