[transform-box-valid.html]
  [e.style['transform-box'\] = "stroke-box" should set the property value]
    expected: FAIL

  [e.style['transform-box'\] = "border-box" should set the property value]
    expected: FAIL

  [e.style['transform-box'\] = "fill-box" should set the property value]
    expected: FAIL

  [e.style['transform-box'\] = "view-box" should set the property value]
    expected: FAIL

  [e.style['transform-box'\] = "content-box" should set the property value]
    expected: FAIL