[text-shadow-composition.html]
  [Compositing: property <text-shadow> underlying [rgb(10, 20, 30) 1px 2px 3px, rgb(20, 40, 60) 2px 4px 6px\] from add [rgb(100, 100, 100) 10px 20px 30px\] to replace [rgb(200, 200, 200) 20px 40px 60px\] at (1) should be [rgb(200, 200, 200) 20px 40px 60px\]]
    expected: FAIL

  [Compositing: property <text-shadow> underlying [rgb(10, 20, 30) 1px 2px 3px, rgb(20, 40, 60) 2px 4px 6px, rgb(40, 80, 120) 4px 8px 12px\] from add [rgb(100, 100, 100) 10px 20px 30px, rgb(200, 200, 200) 20px 40px 60px\] to replace [rgb(200, 200, 200) 20px 40px 60px\] at (1) should be [rgb(200, 200, 200) 20px 40px 60px\]]
    expected: FAIL

  [Compositing: property <text-shadow> underlying [rgb(10, 20, 30) 1px 2px 3px, rgb(20, 40, 60) 2px 4px 6px\] from replace [rgb(100, 100, 100) 10px 20px 30px\] to add [rgb(200, 200, 200) 20px 40px 60px\] at (0) should be [rgb(100, 100, 100) 10px 20px 30px\]]
    expected: FAIL

