chromium/third_party/blink/web_tests/fast/table/wide-colspan.html

<body style="overflow: hidden;">
<table>
<tr>
    <td colspan=2>
        <img width=1600 height=50>
    </td>
</tr>
<tr>
    <td>
        <img width=400 height=50>
    </td>
    <td>
        <img width=400 height=50>
    </td>
</tr>
</table>
</body>