Test to make sure we remove span tags with no attributes if we removed the last attribute.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS one bold command converted helloworld to helloworld
PASS one bold command converted helloworld to helloworld
PASS one italic command converted hello world webkit to hello world webkit
PASS one italic command converted hello world webkit to hello world webkit
PASS successfullyParsed is true
TEST COMPLETE