@Override
        public GraphComputer compute() throws IllegalArgumentException {
            return new TestGraphComputer();
        }
@author Matthias Broecheler (me@matthiasb.com)
@author Marko A. Rodriguez (marko@markorodriguez.com)
gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/process/TraversalStrategiesTest.java