public function testHasWidgets()
{
$app = $this->getApp();
$handler = new WidgetHandler($app);
$this->assertFalse($handler->hasWidgets('gum-tree', 'frontend'));
$widget = (new Widget())->setZone('frontend')->setLocation('gum-tree')->setContent('<blink>Drop Bear Warning!</blink>');
$app['asset.queue.widget']->add($widget);
$this->assertTrue($handler->hasWidgets('gum-tree', 'frontend'));
}