[background-image-valid.html]
  [e.style['background-image'\] = "cross-fade(33% red, 33% white, blue)" should set the property value]
    expected: FAIL

  [e.style['background-image'\] = "cross-fade(blue, linear-gradient(90deg, rgb(2, 0, 36) 0%, rgb(0, 212, 255) 100%))" should set the property value]
    expected: FAIL

  [e.style['background-image'\] = "cross-fade(50% url(http://www.example.com), 50% url(http://www.example.com))" should set the property value]
    expected: FAIL

  [e.style['background-image'\] = "cross-fade( 1% red, green)" should set the property value]
    expected: FAIL

  [e.style['background-image'\] = "cross-fade(1% red , green)" should set the property value]
    expected: FAIL

  [e.style['background-image'\] = "cross-fade(1% red, green )" should set the property value]
    expected: FAIL

  [e.style['background-image'\] = "cross-fade(1% red, cross-fade(2% red, green))" should set the property value]
    expected: FAIL

  [e.style['background-image'\] = "cross-fade(red 33%, white 33%, blue)" should set the property value]
    expected: FAIL

  [e.style['background-image'\] = "cross-fade(red 1%, cross-fade(red 2%, green))" should set the property value]
    expected: FAIL