Click on a listbox scrollbar should not dispatch change evnet.

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

PASS select1.selectedIndex is -1
PASS changeEventCounter is 0


Dispatch a change evnet to prepare the next test.
A change event was dispatched.
PASS changeEventCounter is 1
Change the option list size, and click the scrollbar again.
PASS changeEventCounter is 1
PASS successfullyParsed is true

TEST COMPLETE

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