Add SQL tests do Java client

[skip ci]

Author: joaosimbiose

src/test/java/com/slicingdice/jslicer/RunQueryTests.java

@@ -21,6 +21,7 @@ private static String getDemoKey() {
     public static void main(final String[] args) throws ExecutionException, InterruptedException {
         // the query types to use on tests
         final ArrayList<String> queryTypes = new ArrayList<String>() {{
+            add("sql");
             add("count_entity");
             add("count_event");
             add("top_values");