private static ScriptEngineLambda newLambda(final String script) {
        return new ScriptEngineLambda(ENGINE_TO_TEST, script);
    }
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/jsr223/ScriptEngineLambdaTest.java