| Tests to make sure we throw when triggering a custom property with a mismatched this |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
| PASS testObject.id threw exception TypeError: The Element.id getter can only be used on instances of Element. |
| PASS testObject.id="foo" threw exception TypeError: The Element.id setter can only be used on instances of Element. |
| PASS testObject.length threw exception TypeError: The HTMLCollection.length getter can only be used on instances of HTMLCollection. |
| PASS div.hasOwnProperty('id') is false |
| PASS div.__proto__.id threw exception TypeError: The Element.id getter can only be used on instances of Element. |
| PASS successfullyParsed is true |
