MAGETWO-59785: Incorrect URLs in sitemap when generated from admin with 'Use Secure URLs in Admin' = Yes

Removed multiple empty lines in a row.

Author: VenkataUppalapati

app/code/Magento/Sitemap/Test/Unit/Model/SitemapTest.php

@@ -647,7 +647,6 @@ protected function _getModelConstructorArgs()
             ['getStore']
         )->getMockForAbstractClass();
 
-
         $objectManager = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);
         $constructArguments = $objectManager->getConstructArguments(
             \Magento\Sitemap\Model\Sitemap::class,