CustomerTests.cs

[Fact]
public void Customer_Should_Be_Loaded()
{
    //
    // Arrange
    AccountCollection accounts = new AccountCollection();
    accounts.Add(Guid.Empty);

    Customer customer = Customer.Load(
        Guid.Empty,
        "Sammy Fredriksson",
        "741214-3054",
        accounts);

    Assert.Equal(Guid.Empty, customer.Id);
    Assert.Equal("Sammy Fredriksson", customer.Name);
    Assert.Equal("741214-3054", customer.SSN);
}