2 Test to see if caret works correctly to the right of an image.
3 If the test is successful, the caret will look thin as usual.
4 If the test fails, the caret will be a big black box the size of the image.
7 <div id="test" contenteditable="true">free<img src="resources/webkit-background.png">lunch</div>
9 <script>window.getSelection().setPosition(document.getElementById("test"), 2);</script>