[outline-offset-computed.html]
  [Property outline-offset value '2.5px']
    expected: FAIL

  [Property outline-offset value '0.5em']
    expected: FAIL

  [Property outline-offset value 'calc(10px + 0.5em)']
    expected: FAIL

  [Property outline-offset value 'calc(10px - 0.5em)']
    expected: FAIL

  [Property outline-offset value '10px']
    expected: FAIL