public async void Customers_Not_Exists()
{
var mock = new ServiceMockFacade <IStoreRepository>();
mock.RepositoryMock.Setup(x => x.Customers(default(int), It.IsAny <int>(), It.IsAny <int>())).Returns(Task.FromResult <List <Customer> >(new List <Customer>()));
var service = new StoreService(mock.LoggerMock.Object,
mock.RepositoryMock.Object,
mock.ModelValidatorMockFactory.StoreModelValidatorMock.Object,
mock.BOLMapperMockFactory.BOLStoreMapperMock,
mock.DALMapperMockFactory.DALStoreMapperMock,
mock.BOLMapperMockFactory.BOLCustomerMapperMock,
mock.DALMapperMockFactory.DALCustomerMapperMock);
List <ApiCustomerResponseModel> response = await service.Customers(default(int));
response.Should().BeEmpty();
mock.RepositoryMock.Verify(x => x.Customers(default(int), It.IsAny <int>(), It.IsAny <int>()));
}