@Test
 public void searchCustomer() throws IOException {
   final Customer customer = CustomerHelper.createCustomer(customerClient);
   Search<CustomerFilterField, CustomerOrderField> search = new Search<>();
   search.withFilter(
       FilterType.FIELD, CustomerFilterField.CUSTOMER_NO, customer.getCustomerNo().toString());
   search.withOrder(SortDirection.ASCENDING, CustomerOrderField.CREATED_AT);
   final CustomerSearchResponse response = customerClient.search(search);
   assertEquals(response.getData().size(), 1);
   assertEquals(customer.getCustomerNo(), response.getData().get(0).getCustomerNo());
 }