* If the path of the output file is relative, the files are put to the data directory
* of each node in a sub directory /export .
*/
@Test
public void testExportRelativeFilename() {
esSetup2 = new EsSetup();
esSetup2.execute(index("users", "d").withSource("{\"name\": \"motorbike\"}"));
esSetup2.client().admin().cluster().prepareHealth().setWaitForGreenStatus().
setWaitForNodes("2").setWaitForRelocatingShards(0).execute().actionGet();
ExportResponse response = executeExportRequest(