[ticket/14561] Use the user loader where appropriate

PHPBB3-14561

tests/console/user/activate_test.php

@@ -40,6 +40,7 @@ class phpbb_console_user_activate_test extends phpbb_console_user_base
 			$this->language,
 			$this->log,
 			$this->notifications,
+			$this->user_loader,
 			$this->phpbb_root_path,
 			$this->php_ext
 		));