@Override
    protected List<Traversal> getTraversals() {
        return Arrays.asList(
                __.path(),
                __.path().by("name"),
                __.path().by("age"),
                __.path().by("name").by("age"),
                __.path().by("age").by("name")
        );
    }
@author Daniel Kuppitz (http://gremlin.guru)
gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/PathStepTest.java