@Override
        public void afterEachScenario() {
            this.world.afterEachScenario();
        }
Enables the storing of {@code null} property values when testing. This is a terminal decorator and shouldn't be
used as an input into another decorator.
tinkergraph-gremlin/src/test/java/org/apache/tinkerpop/gremlin/tinkergraph/TinkerWorld.java