chromium/third_party/blink/web_tests/fast/table/017.html

<table width=95% border=1>
<tr><td><table width=100%><tr><td>This is the first column. It has some text in it.</table>
<td><table width=100%><tr><td>This is the second column.  It has a lot more content
than the first column.  That shouldn't matter.
</table>
</table>