[contain-valid.html]
  [e.style\['contain'\] = "style" should set the property value]
    expected: FAIL
  [e.style\['contain'\] = "paint style" should set the property value]
    expected: FAIL
  [e.style\['contain'\] = "layout style paint" should set the property value]
    expected: FAIL
  [e.style\['contain'\] = "layout paint style size" should set the property value]
    expected: FAIL
