This test for a bug moving a paragraph of underlined text.  The text should look the same before and after the deletion.

Before:
| <div>
|   "This should not be underlined."
| <span>
|   style="text-decoration: underline; color: blue;"
|   <span>
|     style="color:red;"
|     "This should be underlined."

After:
| <div>
|   "This should not be underlined.<#selection-caret>"
|   <span>
|     style="color: red; text-decoration: underline;"
|     "This should be underlined."
