code: @Test public void should_decrement_simple_counter() throws Exception {
    Long counterValue=RandomUtils.nextLong();
    PropertyMeta pm=PropertyMetaTestBuilder.valueClass(String.class).field("name").build();
    when(counterQueryMap.get(CQLQueryType.DECR)).thenReturn(ps);
    when(binder.bindForSimpleCounterIncrementDecrement(context,ps,pm,counterValue,EACH_QUORUM)).thenReturn(bsWrapper);
    daoContext.decrementSimpleCounter(context,pm,counterValue,EACH_QUORUM);
    verify(context).executeImmediate(bsWrapper);
  }
  