public void storeConsumerId(HttpServletRequest request, Long consumerId) {
    request.setAttribute(CONSUMER_ID, consumerId);
  }
@Test
  public void testStoreConsumerId() throws Exception {
    long someConsumerId = 1L;

    consumerAuthUtil.storeConsumerId(request, someConsumerId);

    verify(request, times(1)).setAttribute(ConsumerAuthUtil.CONSUMER_ID, someConsumerId);
  }