@Test
public void testOpenGraph() {
final String graphName = "graphName";
manager.addGraph(graphName);
assertNotNull(managedGraphs.get(graphName));
assertNotNull(manager.openGraph(graphName));
}
@Test
public void testOpenGraphGraphManagerGraph() {
assertNotNull(manager.openGraph(GraphManagerGraphFilterGraph.GRAPH_MANAGER_GRAPH_NAME));
}