| CONSOLE MESSAGE: line 13: Error while parsing the 'sandbox' attribute: 'allowScripts' is an invalid sandbox flag. | |
| CONSOLE MESSAGE: line 14: Error while parsing the 'sandbox' attribute: 'allowScripts', 'allowSameOrigin', 'allowFoobarbloop' are invalid sandbox flags. | |
| Test that an iframe with invalid sandbox flags generates a relevant warning. | |