public void GetCustomers()
{
var repository = Substitute.For<ICustomerRepository>();
var customers = new List<CustomerValue>();
customers.Add(new CustomerValue() { CustomerID = "ABC" });
repository.GetCustomers().Returns<IEnumerable<CustomerValue>>(customers);
var collection = new CustomerCollection(repository);
var values = collection.Get();
Assert.IsNotEmpty(values);
}
