@Test
 public void testOnlyOneActionNode_shouldClearFocusAndOverlayWhenActionPerformed() {
   mOptionManager.addFocusClearedListener(mMockListener);
   mOptionManager.clearFocusIfNewTree(mActionNode1);
   mOptionManager.selectOption(0);
   verify(mMockListener, times(2)).onOptionManagerClearedFocus();
   verify(mOverlayController, times(2)).clearOverlay();
 }
 @Test
 public void testClearFocusIfNewTree_shouldClearFocusOnNewTree() {
   mOptionManager.addFocusClearedListener(mMockListener);
   mOptionManager.clearFocusIfNewTree(mSelectionNode);
   verify(mMockListener, times(1)).onOptionManagerClearedFocus();
 }