chromium/third_party/blink/web_tests/svg/text/font-size-null-assertion.svg

<svg xmlns="http://www.w3.org/2000/svg">
<script>
if (window.testRunner)
    testRunner.dumpAsText();
</script>
<!-- Passes if test case doesn't cause an assertion. -->
<text font-size="0">Pas<tspan>s</tspan></text>
</svg>