This tests dragging a selected table by mousing down on the contents of one of its cells. It should be in the red bordered area.
| "
"
| <div>
|   contenteditable="true"
|   id="source"
|   style="border: 1px solid blue;"
|   <br>
| "
"
| <div>
|   contenteditable="true"
|   id="destination"
|   style="border: 1px solid red;"
|   <#selection-anchor>
|   <table>
|     border="1"
|     <tbody>
|       <tr>
|         <td>
|           id="cell"
|           "foo<#selection-focus>"
| "
"
