/**
  * test to create a new directory
  */
 public function testCreateDirectory()
 {
     $randomName = Tinebase_Record_Abstract::generateUID();
     $collection = new Calendar_Frontend_WebDAV(\Sabre\CalDAV\Plugin::CALENDAR_ROOT . '/' . Tinebase_Core::getUser()->contact_id, true);
     $collection->createDirectory($randomName);
     $container = Tinebase_Container::getInstance()->getContainerByName('Calendar', $randomName, Tinebase_Model_Container::TYPE_PERSONAL, Tinebase_Core::getUser());
     $this->assertTrue($container instanceof Tinebase_Model_Container);
 }