A DESCRIPTION OF THE PROBLEM :
Select two items in a 'multiple selection mode' listView. Deselect the item with the lowest index.

listView.getSelectionModel().getSelectedItems() returns null the first time it is called, returns the correct value on subsequent calls.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
See description.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Should always return the selected items.
ACTUAL -
Returns null on first call, correct value on subsequent calls.

FREQUENCY : always