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

  [e.style['overflow'\] = "clip clip" should set the property value]
    expected: FAIL

  [e.style['overflow-y'\] = "clip" should set the property value]
    expected: FAIL

  [e.style['overflow-block'\] = "clip" should set the property value]
    expected: FAIL