@Test
 public void testGetAsync() throws Exception {
   HazelcastClient hClient = getHazelcastClient();
   String key = "key";
   String value1 = "value1";
   IMap<String, String> map = hClient.getMap("map:test:getAsync");
   map.put(key, value1);
   Future<String> f1 = map.getAsync(key);
   assertEquals(value1, f1.get());
 }