palemoon-dev/platform/layout/reftests/svg/image/image-opacity-01.svg

<!-- Test to make sure "opacity" value is applied correctly on svg:image -->
<svg xmlns="http://www.w3.org/2000/svg"
     xmlns:xlink="http://www.w3.org/1999/xlink">
  <image xlink:href="blueRect10x10.png" width="10" height="10"
         style="opacity: 0.3"/>
</svg>