| Checks that CSSStyleDeclaration.getPropertyPriority() returns the empty string for invalid CSS properties. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS declaration.getPropertyPriority('invalidProperty') is "" | |
| PASS declaration.getPropertyPriority('margin') is "" | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |