@Test
public void testGetUnDirectedGraph() {

    GraphStore graphStore = GraphGenerator.generateSmallGraphStore();
    GraphViewStore store = graphStore.viewStore;
    GraphViewImpl view = store.createView();
    UndirectedSubgraph undirectedSubgraph = store.getUndirectedGraph(view);
    Assert.assertNotNull(undirectedSubgraph);
    Assert.assertSame(view, undirectedSubgraph.getView());
}