[form-sizing-valid.html]
  [e.style['form-sizing'\] = "auto" should set the property value]
    expected: FAIL

  [e.style['form-sizing'\] = "normal" should set the property value]
    expected: FAIL

  [e.style['form-sizing'\] = "fixed" should set the property value]
    expected: FAIL

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