private void testHappyCaseMultiFetchHTTPRequest() throws Exception {
   HttpPost post = new HttpPost(getBatchMetricsQueryURI());
   JSONArray metricsToGet = new JSONArray();
   for (Locator locator : locators) {
     metricsToGet.add(locator.toString());
   }
   HttpEntity entity = new StringEntity(metricsToGet.toString(), ContentType.APPLICATION_JSON);
   post.setEntity(entity);
   HttpResponse response = client.execute(post);
   Assert.assertEquals(200, response.getStatusLine().getStatusCode());
 }