MAGETWO-43646: Sort ordering for static files pre-processors

- Fixed tests

Author: Dell-

app/code/Magento/Deploy/Model/Deployer.php

@@ -98,9 +98,7 @@ public function __construct(
         $this->parentTheme = [];
 
         array_map(
-            function (AlternativeSourceInterface $alternative)
-            {
-                //
+            function (AlternativeSourceInterface $alternative) {
             },
             $alternativeSources
         );