@Test
public void testInsertLast() {

  NlDropInsertionPicker.Result result = myPicker.findInsertionPointAt(new Point(30, LAST_COMPONENT_Y_POSITION), myDragged);
  assertEquals(ourRoot.getChild(3), result.receiver);
  assertNull(result.nextComponent);
  assertEquals(0, result.depth);
  assertEquals(COMPONENT_NUMBER - 1, result.row);
}