m.setTitle("a title");
Node n1 = node(m.getRootNode(), "n1", true, NodeLocation.LEFT);
Node n2 = node(n1, "n2", false, NodeLocation.RIGHT);
node(n1, "n3", false, NodeLocation.RIGHT);
node(n2, "n3", false, NodeLocation.RIGHT);
n2.addObject(new EmbeddedObject("yt", "dfcsdf"));
node(m.getRootNode(), "sadas", true, NodeLocation.LEFT);
node(m.getRootNode(), null, true, NodeLocation.LEFT);
node(m.getRootNode(), "dsdsd", true, null);
node(n2, "dsdsd", true, null);
roundtrip(m);