assertSame(oldOnes,master.getNodes());
Graph someOtherGraph = new Graph();
Node a, b;
a = new Node("a");
b = new Node("b");
someOtherGraph.addNode(a);
someOtherGraph.addNode(b);
someOtherGraph.connect(a, b, "test");
assertTrue(someOtherGraph.connectivity(a, b));
assertTrue(a.pathTo(b));