1 Testing left of the image
2 PASS: range.startContainer == image.previousSibling.
3 PASS: range.startOffset == 34.
4 Testing right of the image
5 PASS: range.startContainer == image.nextSibling.
6 PASS: range.startOffset == 1.
8 PASS: range.startContainer == image.parentNode.
9 PASS: range.startOffset == 2.