<style>
.table-caption {
    display: table-cell;
}
embed {
    padding-top: 1vw;
    display: block;
}
summary {
    display: inline;
}
</style>
<details><summary><embed type><div class=table-caption></div></summary></details>
Pass if no crash or assert.
<script>
if (window.testRunner)
    testRunner.dumpAsText();
</script>