chromium/third_party/blink/web_tests/editing/deleting/delete-button-background-image-none.html

<p>
    The test passes if it does not crash.
</p>
<div id="target" contenteditable style="background-image: none, url()"></div>
<script>
    if (window.testRunner)
        testRunner.dumpAsText();

    document.getElementById("target").focus();
</script>