MultiValueMap<String, String> postParameters = new LinkedMultiValueMap<String, String>();
HttpEntity<MultiValueMap<String, String>> requestEntity = new HttpEntity<MultiValueMap<String, String>>(
postParameters, requestHeaders);
ResponseEntity<byte[]> response = httpClient.exchange(url,
HttpMethod.GET, requestEntity, byte[].class);
System.out.println(response);
assertTrue("The server doesn't accept ranges", response