@Test
public void testInsertAtRoot() {

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