ngds/vendor/codeception/base/tests/data/claypit/tests/powers/PowerUpCest.php

<?php

class PowerUpCest
{
    public function iHaveNoPower(PowerGuy $I)
    {
        $I->expectThrowable('Exception', function() use ($I) {
            $I->gotThePower();
        });
    }

    /**
     * @prepare drinkBluePotion
     * @param PowerGuy $I
     */
    public function iGotBluePotion(PowerGuy $I)
    {
        $I->gotThePower();
    }

    protected function drinkBluePotion(\Codeception\Module\PowerHelper $helper)
    {
        $helper->_reconfigure(['has_power' => true]);
    }
}