chromium/third_party/blink/web_tests/paint/invalidation/svg/marker-text-decoration-change.html

<!DOCTYPE html>
<script src="../resources/text-based-repaint.js"></script>
<script src="../../../resources/run-after-layout-and-paint.js"></script>
<svg>
  <marker id="marker" markerUnits="userSpaceOnUse" overflow="visible">
    <text y="20">PASS if not underlined</text>
  </marker>
  <path d="M0,0" marker-end="url(#marker)" fill="none"/>
</svg>
<script>
testIsAsync = true;

onload = runRepaintAndPixelTest;

function repaintTest() {
  runAfterLayoutAndPaint(() => {
    document.getElementById("marker").style = "text-decoration: underline";

    runAfterLayoutAndPaint(() => {
      document.getElementById("marker").style = "";
      finishRepaintTest();
    });
  });
}
</script>