[background-size-computed.html]
  [Property background-size value 'auto 1px, 2% 3%, contain' computes to 'auto 1px']
    expected: FAIL

  [Property background-size value 'auto 1px, 2% 3%, contain']
    expected: FAIL

  [Property background-size value '1px']
    expected: FAIL

  [Property background-size value '1px auto']
    expected: FAIL