Testcase for bug https://webkit.org/b/115023: Editing: wrong text position when you click enter on the text behind the image.
The test passes if "text2" appears on a new line with the caret placed at the beginning of that line.

Dump of markup 1:
| "<#selection-caret>text2"

Dump of markup 2:
| "<#selection-caret>text2"

Dump of markup 3:
| "<#selection-caret>text2"