@BeforeClass
  public void setUp() throws Exception {
    CurrentUser.authenticate(FALCON_USER);

    configStore = ConfigurationStore.get();

    Services.get().register(new WorkflowJobEndNotificationService());
    StartupProperties.get()
        .setProperty(
            "falcon.graph.storage.directory", "target/graphdb-" + System.currentTimeMillis());
    StartupProperties.get().setProperty("falcon.graph.preserve.history", "true");
    service = new MetadataMappingService();
    service.init();

    Set<String> vertexPropertyKeys = service.getVertexIndexedKeys();
    System.out.println("Got vertex property keys: " + vertexPropertyKeys);

    Set<String> edgePropertyKeys = service.getEdgeIndexedKeys();
    System.out.println("Got edge property keys: " + edgePropertyKeys);
  }