@Test
        @FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
        @FeatureRequirement(featureClass = VertexFeatures.class, feature = FEATURE_USER_SUPPLIED_IDS)
        public void shouldEvaluateVerticesEquivalentWithSuppliedIdsViaTraversal() {
            final Vertex v = graph.addVertex(T.id, graphProvider.convertId("1", Vertex.class));
            final Vertex u = graph.vertices(graphProvider.convertId("1", Vertex.class)).next();
            assertEquals(v, u);
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/structure/VertexTest.java