CoreContext.php

    /**
     * @When /^I click on toolbox item "([^"]*)"$/
     */
    public function iClickOnToolBoxItem($locator)
    {
        $session = $this->getSession();
        $page = $session->getPage();
        $toolbox = $page->find('css', '.toolbox');

        $nodes = $page->findAll('css', "a:contains('Versturen')");
        var_dump($nodes);
        /** @var \Behat\Mink\Element\NodeElement $node */
        foreach ($nodes as $node) {
            if (! $node->isVisible()) {
                $toolbox->mouseOver();
                $node->click();
            }
        }
    }