This test copies, deletes, and paste back <div id="test" class="editing"><p>foo</p><p>bar</p></div>
It then inserts the paragraph and pastes the contents again.
| "
"
| <div>
| class="editing"
| id="test"
| <p>
| "foo"
| <p>
| "bar"
| <p>
| "foo"
| <p>
| "bar<#selection-caret>"
| "
"