chromium/third_party/blink/web_tests/fast/dom/HTMLScriptElement/isURLAttribute.html

<script src="data:text/javascript," id="target"></script>
<script>
    if (window.testRunner)
        testRunner.dumpAsText();

    document.getElementById("target").src;
</script>
<p>
    This tests that accessing the <tt>src</tt> attribute of a <tt>script</tt> element does not
    cause an assertion to fail.
</p>