zentao/extension/ipd/block/ext/zen/zentaomax.php

<?php
/**
 * @param object $block
 */
public function printTesttaskBlock($block)
{
    $this->loadExtension('zentaomax')->printTesttaskBlock($block);
}

/**
 * @param object $block
 */
public function printScrumTestBlock($block)
{
    $this->loadExtension('zentaomax')->printScrumTestBlock($block);
}