JUnit test connecting to local ES node

EsNodeLocalTest

public class EsNodeLocalTest {
	@Test
	public void testLocalEs() throws IOException, InterruptedException {
		Settings esSettings = ImmutableSettings.settingsBuilder()
				.put("path.data", pathData)
				.put("id", "a23")
				.build();
		NodeBuilder nBuilder = nodeBuilder().settings(esSettings);
		nBuilder.local(true);
		final Node node = nBuilder.build().start();
		Thread.sleep(3*1000);		
		Client esClient = new TransportClient().addTransportAddress(new LocalTransportAddress("a23"));
		SearchRequestBuilder impl = esClient.prepareSearch("xxxindex");
		impl.setSearchType(SearchType.QUERY_THEN_FETCH);
		impl.setTypes("xxxtype");
		impl.setFrom(1);
		impl.setSize(5);
		SearchResponse res = impl.execute().actionGet();
		LOG.info(res);
	}
}