Prose\CleanupRoles::shutdown PHP Method

    public function shutdown()
    {
        // get the roles table, if we have one
        $rolesTable = $this->getTable();
        if (!$rolesTable) {
            return;
        }
        // remove any empty test environments
        foreach ($rolesTable as $testEnv => $roles) {
            if (count(get_object_vars($roles)) == 0) {
                unset($rolesTable->{$testEnv});
            }
        }
        // cleanup the tables
        $this->removeTablesIfEmpty();
        // save the runtimeConfig
        $this->st->saveRuntimeConfig();
    }