[dom-mutation.html] [New referenced element prepended to the shadow supercedes the existing label] expected: FAIL [Changing the reference target ID updates the computed label] expected: FAIL [Changing the ID of the referenced element results in an empty computed label] expected: FAIL [Removing the referenced element results in an empty computed label] expected: FAIL [The existing label supercedes new element (with same id as the existing label) appended to the shadow] expected: FAIL [Changing the nested referenceTarget to reference a different element updates the computed label] expected: FAIL [Changing the ID of the nested referenced element results in an empty computed label] expected: FAIL