Test that inserting a line break will preserve bolding. All of the text below should be bold.

xxxtestxxx
xxx
execTypeCharacterCommand: <span id="test">xtest</span>
execTypeCharacterCommand: <span id="test">xxtest</span>
execTypeCharacterCommand: <span id="test">xxxtest</span>
execBoldCommand: <span id="test"><b>xxxtest</b></span>
execTypeCharacterCommand: <span id="test"><b>xxxtestx</b></span>
execTypeCharacterCommand: <span id="test"><b>xxxtestxx</b></span>
execTypeCharacterCommand: <span id="test"><b>xxxtestxxx</b></span>
execInsertLineBreakCommand: <span id="test"><b>xxxtestxxx<br><br></b></span>
execTypeCharacterCommand: <span id="test"><b>xxxtestxxx<br>x</b></span>
execTypeCharacterCommand: <span id="test"><b>xxxtestxxx<br>xx</b></span>
execTypeCharacterCommand: <span id="test"><b>xxxtestxxx<br>xxx</b></span>
