final JSONObject json = (JSONObject) response.getEntity();
Assert.assertTrue(json.has(Tokens.TOTAL_SIZE));
Assert.assertEquals(4, json.optInt(Tokens.TOTAL_SIZE));
Assert.assertTrue(json.has(Tokens.QUERY_TIME));
final JSONArray results = json.optJSONArray(Tokens.RESULTS);
Assert.assertEquals(4, results.length());
final List<String> foundIds = new ArrayList<String>();
for (int ix = 0; ix < results.length(); ix++) {
foundIds.add(results.optJSONObject(ix).optString(Tokens._ID));
}