someOtherGraph.addNode(a);
someOtherGraph.addNode(b);
someOtherGraph.connect(a, b, "test");
assertTrue(someOtherGraph.connectivity(a, b));
assertTrue(a.pathTo(b));
Set<Node> newOnes = someOtherGraph.getNodes();
master.setNodes(newOnes);
assertFalse(master.getNodes().contains(in));