MAGETWO-34612: Unit tests coverage build failure

- style fixes

Author: mazhalai

dev/tests/static/testsuite/Magento/Test/Integrity/Layout/BlocksTest.php

@@ -7,6 +7,8 @@
  */
 namespace Magento\Test\Integrity\Layout;
 
+use Magento\Framework\Test\Utility\Files;
+
 class BlocksTest extends \PHPUnit_Framework_TestCase
 {
     /**
@@ -24,7 +26,7 @@ class BlocksTest extends \PHPUnit_Framework_TestCase
      */
     public static function setUpBeforeClass()
     {
-        foreach (\Magento\Framework\Test\Utility\Files::init()->getLayoutFiles([], false) as $file) {
+        foreach (Files::init()->getLayoutFiles([], false) as $file) {
             $xml = simplexml_load_file($file);
             $elements = $xml->xpath('/layout//*[self::container or self::block]') ?: [];
             /** @var $node \SimpleXMLElement */
@@ -94,9 +96,7 @@ function ($alias, $file) {
     public function getChildBlockDataProvider()
     {
         $result = [];
-        foreach (
-            \Magento\Framework\Test\Utility\Files::init()->getPhpFiles(true, false, true, false, false) as $file
-        ) {
+        foreach (Files::init()->getPhpFiles(true, false, true, false, false) as $file) {
             $aliases = \Magento\Framework\Test\Utility\Classes::getAllMatches(
                 file_get_contents($file),
                 '/\->getChildBlock\(\'([^\']+)\'\)/x'

lib/internal/Magento/Framework/Test/Utility/Classes.php

@@ -6,6 +6,7 @@
  * See COPYING.txt for license details.
  */
 namespace Magento\Framework\Test\Utility;
+use Magento\Framework\Test\Utility\Files;
 
 class Classes
 {
@@ -185,13 +186,11 @@ public static function collectLayoutClasses(\SimpleXMLElement $xml)
     public static function collectModuleClasses($subTypePattern = '[A-Za-z]+')
     {
         $pattern = '/^' . preg_quote(
-            \Magento\Framework\Test\Utility\Files::init()->getPathToSource(),
+            Files::init()->getPathToSource(),
             '/'
         ) . '\/app\/code\/([A-Za-z]+)\/([A-Za-z]+)\/(' . $subTypePattern . '\/.+)\.php$/';
         $result = [];
-        foreach (
-            \Magento\Framework\Test\Utility\Files::init()->getPhpFiles(true, false, false, false, false) as $file
-        ) {
+        foreach (Files::init()->getPhpFiles(true, false, false, false, false) as $file) {
             if (preg_match($pattern, $file, $matches)) {
                 $module = "{$matches[1]}_{$matches[2]}";
                 $class = "{$module}" . '\\' . str_replace(
@@ -216,7 +215,7 @@ public static function getVirtualClasses()
         if (!empty(self::$_virtualClasses)) {
             return self::$_virtualClasses;
         }
-        $configFiles = \Magento\Framework\Test\Utility\Files::init()->getDiConfigs();
+        $configFiles = Files::init()->getDiConfigs();
         foreach ($configFiles as $fileName) {
             $configDom = new \DOMDocument();
             $configDom->load($fileName);