void () { TreeNode color = createColorNode(); TreeNode digit = createDigitNode(); TreeNode greek = createGreekNode(); TreeNode root = new Node("root", color, digit, greek); TreePath path = new TreePath(root).pathByAddingChild(greek); testAsync(() -> root, test -> testPathState(test.tree, " +'root'\n" + CHILDREN, () -> test.fireStructureChanged(path))); }