N98\Magento\Command\Developer\Module\UpdateCommandTest::_deleteOldModule PHP Method

    protected function _deleteOldModule($root)
    {
        // delete old module
        $filesystem = false;
        if (is_dir($root . '/N98Magerun_UnitTest')) {
            $filesystem = new Filesystem();
            $filesystem->recursiveRemoveDirectory($root . '/N98Magerun_UnitTest');
            clearstatcache();
        }
        return $filesystem;
    }