[step-timing-functions-syntax.html]
  [e.style['animation-timing-function'\] = "steps(1, jump-start)" should set the property value]
    expected: FAIL

  [e.style['animation-timing-function'\] = "steps(1, jump-end)" should set the property value]
    expected: FAIL

  [e.style['animation-timing-function'\] = "steps(1, jump-both)" should set the property value]
    expected: FAIL

  [e.style['animation-timing-function'\] = "steps(2, jump-none)" should set the property value]
    expected: FAIL