[counter-set-valid.html]
  [e.style['counter-set'\] = "none" should set the property value]
    expected: FAIL

  [e.style['counter-set'\] = "chapter" should set the property value]
    expected: FAIL

  [e.style['counter-set'\] = "section -1" should set the property value]
    expected: FAIL

  [e.style['counter-set'\] = "first -1 second third 99" should set the property value]
    expected: FAIL