### Question:
Node { public String getLabel() { return label; } Node(int nodeID, String ip, String label); String getLabel(); String getIPAddress(); void setLabel(String label); void setIPAddress(String ip); void setNodeID(int nodeID); int getNodeID();  }### Answer:
@Test public void testGetLabel() { assertEquals("", node1.getLabel()); assertEquals("Leonardo", node2.getLabel()); }