@Test
    @LoadGraphWith(MODERN)
    @FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_NULL_PROPERTY_VALUES, supported = false)
    public void g_V_outE_propertyXweight_nullX() {
        final Traversal<Vertex, Edge> traversal = get_g_V_outE_propertyXweight_nullX();
        printTraversalForm(traversal);
        traversal.forEachRemaining(e -> assertThat(e.properties("weight").hasNext(), is(false)));
    }
@author Marko A. Rodriguez (http://markorodriguez.com)
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/AddEdgeTest.java