[border-image-slice-computed.html]
  [Property border-image-slice value 'calc(10 + (sign(2cqw - 10px) * 5))']
    expected: FAIL

  [Property border-image-slice value 'calc(10 + (sign(2cqw - 10px) * 5)) calc(20% + (sign(2cqw - 10px) * 5%))']
    expected: FAIL