public function testAdvancedRendering()
 {
     $containerEntity = new Container();
     $containerEntity->setId(2);
     foreach (['key1' => true, 'key2' => 'false', 'key3' => false] as $key => $value) {
         $containerData = new ContainerData($key, $value);
         $containerEntity->addData($containerData);
     }
     $containerEntity->setWidth(400);
     $containerEntity->setHeight(300);
     $containerEntity->setCssClass('simple-css-class');
     $containerEntity->setStyles('border: 1px solid red;');
     $containerEntity->setName('simple_container');
     $container = new SimpleContainer($containerEntity, $this->getRenderer());
     $this->assertEquals($container->renderOpenTag(), '<div id="swp_container_2" class="swp_container simple-css-class" style="height: 300px;width: 400px;border: 1px solid red;" data-key1="1" data-key2="false" data-key3="" >');
 }