Node outsideOut;
Node a,b;
@Before
public void setUp() throws Exception {
c = new ClusterLeaf();
a = new Node("a");
b = new Node("b");
outsideIn = new Node("outside -> in ");
outsideOut = new Node("cluster -> outside");
c.addNode(a);
c.addNode(b);
outsideIn.connect(a," a ");
b.connect(outsideOut, " b ");
}