| FAIL The default value of onmessageerror is null assert_equals: body expected (object) null but got (undefined) undefined | |
| FAIL The onmessageerror content attribute must be compiled into the onmessageerror property assert_equals: The onmessageerror property must be a function expected "function" but got "undefined" | |
| FAIL The onmessageerror content attribute must execute when an event is dispatched on the window assert_true: Dispatching the event must run the code expected true got false | |