public function testShouldReturnParentDevice()
 {
     $modelDevice = new ModelDevice('parent', 'ua', 'root', true, false, array('product_info' => array('claims_web_support' => 'false')));
     $childModelDevice = new ModelDevice('id', 'ua', 'parent', false, false, array('product_info' => array('is_wireless_device' => 'true')));
     $device = new CustomDevice(array($childModelDevice, $modelDevice));
     $result = $device->getActualDeviceRootAncestor();
     self::assertInstanceOf('\\Wurfl\\Device\\ModelDeviceInterface', $result);
     self::assertSame($modelDevice, $result);
 }