This is a testharness.js-based test.
PASS The LinkStyle interface's sheet attribute must return null; the disabled attribute must be false 
PASS The LinkStyle interface's sheet attribute must return null if the corresponding element is not in a Document 
PASS The LinkStyle interface's sheet attribute must return StyleSheet object; the disabled attribute must be same as the StyleSheet's disabled attribute 
PASS The title must be the same as the value of the element's title content attribute 
PASS The media must be the same as the value of the element's media content attribute, or the empty string if it is omitted 
Harness: the test ran to completion.

