[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