Tests if typing an arrow key dispatches |Focus| and |ActiveDescendantChanged| a11y events.

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


Focused: 
Focused: 
Focused: Sunday January 2 2000
PASS Received ActiveDescendantChanged
Focused: Monday January 3 2000
PASS Received ActiveDescendantChanged
Focused: Show next month
Focused: <<CalendarToday>>
Focused: Show previous month
Focused: Show month selection panel
Open the month popup. This should notify the third ActiveDescendantChanged.
Focused: 
Focused: January 2000
PASS Received ActiveDescendantChanged
Focused: February 2000
PASS Received ActiveDescendantChanged
Focused: October 1999
PASS Received ActiveDescendantChanged
PASS successfullyParsed is true

TEST COMPLETE