Test to make sure WebKit does not remove content when unbolding nested b's. See Bug 30083 for detail.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS '12' is '12'
PASS '12' is '12'
PASS '12' is '12'
PASS '12' is '12'
PASS '12' is '12'
PASS '12' is '12'
PASS '12' is '12'
PASS successfullyParsed is true
TEST COMPLETE