@Test
  public void incr() throws TimeoutException, CacheException {
    String cacheKey = "key1";
    int by = 5;
    int def = 1;

    cache.incr(cacheKey, by, def);
    Mockito.verify(cacheClient).incr(getKey(cacheKey), by, def);
  }
 public long incr(String key, int by) throws Exception {
   return cache.incr(key, by);
 }
 /**
  * Increment the element value (must be a Number).
  *
  * @param key Element key
  * @param by The incr value
  * @return The new value
  * @throws Exception
  */
 public long incr(Collection<Object> keyCondition, int by) throws Exception {
   return cache.incr(keyCondition, by);
 }