public function testHelperHeadStyle()
{
$view = $this->getView();
$view->headStyle('foo.css');
$view->headStyle('bar.css');
$result = $view->headStyle();
$this->assertEquals('<link href="/foo.css" rel="stylesheet" media="all"/>' . '<link href="/bar.css" rel="stylesheet" media="all"/>', str_replace(["\t", "\n", "\r"], '', $result));
}