Everywhere in the codebase we can find:
new \Tuleap\Layout\IncludeAssets(__DIR__ . '/../../../www/assets/core', '/assets/core')
In order to avoid guessing what is the right path for assets/core (and to save few keystrokes), we propose to replace the previous instantiation with the following:
new \Tuleap\Layout\IncludeCoreAssets()