public function pageTextContains($text)
    {
        $actual = $this->session->getPage()->getText();
        $actual = preg_replace('/\s+/u', ' ', $actual);
        $regex = '/'.preg_quote($text, '/').'/ui';
        $message = sprintf('The text "%s" was not found anywhere in the text of the current page.', $text);

        $this->assertResponseText((bool) preg_match($regex, $actual), $message);
    }