@Test(expected = GraphConfigurationException.class)
public void configureGraphInstanceHaOnNoMachineId() throws GraphConfigurationException {
HierarchicalConfiguration graphConfig = new HierarchicalConfiguration();
graphConfig.addProperty(Tokens.REXSTER_GRAPH_LOCATION, this.neo4jFile);
graphConfig.addProperty(Tokens.REXSTER_GRAPH_HA, "true");
ArrayList<HierarchicalConfiguration.Node> listOfNodes = new ArrayList<HierarchicalConfiguration.Node>();
listOfNodes.add(new HierarchicalConfiguration.Node("anything", "nothing"));
graphConfig.addNodes(Tokens.REXSTER_GRAPH_PROPERTIES, listOfNodes);
Map<String, RexsterApplicationGraph> graphs = new HashMap<String, RexsterApplicationGraph>();