protected static void useTinkerTransactionGraph(final Settings settings) {
        logger.info("Running transactional tests using TinkerTransactionGraph");
        settings.graphs.put("graph", "conf/tinkertransactiongraph-empty.properties");
    }
This method may be called after {@link #startServer()} to (re-)set the evaluation timeout in
the running server.
@param timeoutInMillis new evaluation timeout
gremlin-server/src/test/java/org/apache/tinkerpop/gremlin/server/AbstractGremlinServerIntegrationTest.java