MAGETWO-31723: Delete category message is absent after category has been deleted and a page has been loaded

- fix coding style violation
- update composer.lock

Author: orlangur

composer.lock

@@ -51,8 +51,7 @@ protected function setUp()
             false
         );
         $this->authStorage = $this->getMock(
-            'Magento\Backend\Model\Auth\StorageInterface'
-            ,
+            'Magento\Backend\Model\Auth\StorageInterface',
             ['processLogin', 'processLogout', 'isLoggedIn', 'prolong', 'setDeletedPath'],
             [],
             '',