[css-style-declaration-alias-enumeration.html]
  [webkitMaskBoxImage found on CSSStyleDeclaration]
    expected: FAIL

  [webkitMaskBoxImageOutset found on CSSStyleDeclaration]
    expected: FAIL

  [webkitMaskBoxImageRepeat found on CSSStyleDeclaration]
    expected: FAIL

  [webkitMaskBoxImageSlice found on CSSStyleDeclaration]
    expected: FAIL

  [webkitMaskBoxImageSource found on CSSStyleDeclaration]
    expected: FAIL

  [webkitMaskBoxImageWidth found on CSSStyleDeclaration]
    expected: FAIL
