| You should see two "PASS" messages below: | |
| Computed style parent (should be null): null | |
| PASS: got an exception when trying to change a computed style declaration, NoModificationAllowedError (DOM Exception 7): The object can not be modified. | |
| PASS: got an exception when trying to change a computed style declaration via setProperty, NoModificationAllowedError (DOM Exception 7): The object can not be modified. |