@Test
public void testTreeStructureChangedNotNullPath() {

    Object root = model.getRoot();
    Object child = model.getChild(root, 0);
    TreePath path = new TreePath(new Object[] {root, child});
    support.fireTreeStructureChanged(path);
    assertEquals(1, report.getEventCount());
    assertEquals(1, report.getStructureEventCount());
    TreeModelEvent structureEvent = report.getLastStructureEvent();
    assertEquals(path, structureEvent.getTreePath());
}