[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
