Tests that clicking a radio element only fires a 'change' event if its checked state actually changes.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS a_events.toString() is "click"
PASS b_events.toString() is ""
PASS a_events.toString() is ""
PASS b_events.toString() is "click,input,change"
PASS successfullyParsed is true

TEST COMPLETE
a b