CS fix

tests/test_app/TestApp/Controller/RequestActionController.php

@@ -188,7 +188,7 @@ class RequestActionController extends AppController
     public function uploaded_files()
     {
         $files = Hash::flatten($this->request->getUploadedFiles());
-        $names = collection($files)->map(function(UploadedFileInterface $file) {
+        $names = collection($files)->map(function (UploadedFileInterface $file) {
             return $file->getClientFilename();
         });