public function testAccordionHtmlContainsElements()
{
$id = 4711;
$title = 'FooBar';
$content = '<h1>Some HTML content</h1>';
$helper = new Kimai_View_Helper_AdminScreen();
$html = $helper->accordion($id, $title, $content);
$this->assertGreaterThan(0, stripos($html, $id));
$this->assertGreaterThan(0, stripos($html, $title));
$this->assertGreaterThan(0, stripos($html, $content));
}