BasePage.php

<?php

namespace FeatureContext\Page;

use SensioLabs\Behat\PageObjectExtension\PageObject\Page;

class BasePage extends Page
{

    /**
     * Try until
     * 
     * @param callable $lambda  lambda method
     * @param int      $timeout Timeout second
     *
     * @return mixed
     */
    public function tryUntil($lambda, $timeout = 30)
    {
        for ($i = 0; $i < $timeout; $i++) {
            try {
                return $lambda($this);
            } catch (\Exception $e) {
                if ($timeout == $i) {
                    throw $e;
                }
            }

            sleep(1);
        }
    }

    ....
}