@Test
    @LoadGraphWith(MODERN)
    public void g_EXe11X() {
        final Edge edge = convertToEdge(graph, "josh", "created", "lop");
        final Traversal<Edge, Edge> traversal = get_g_EXe11X(edge);
        assert_g_EX11X(edge.id(), traversal);
    }
@author Marko A. Rodriguez (http://markorodriguez.com)
@author Stephen Mallette (http://stephen.genoprime.com)
@author Daniel Kuppitz (http://gremlin.guru)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/VertexTest.java