### Question:
OrderRepository { public Order getFallbackOrder(Long id, Throwable e) { log.warn("Failed to obtain Order, " + e.getMessage() + " for order with id " + id); return null; }  @HystrixCommand(commandKey = "Orders", fallbackMethod = "getFallbackOrder", commandProperties = { @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds", value = "1000") }) Order getOrderById(Long id); Order getFallbackOrder(Long id, Throwable e);  }### Answer:
@Test public void getFallbackCustomerTest() { assertThat(repository.getFallbackOrder(new Long(1), new Exception())).isNull(); }