public User BuildWithDefaults()
{
AddressBuilder addressBuilder = new AddressBuilder();
List<Address> defaultAddresses = new List<Address>();
defaultAddresses.Add(addressBuilder.BuildWithDefaults());
PhoneBuilder phoneBuilder = new PhoneBuilder();
List<Phone> defaultPhones = new List<Phone>();
defaultPhones.Add(phoneBuilder.BuildWithDefaults());
EmailBuilder emailBuilder = new EmailBuilder();
List<Email> defaultEmails = new List<Email>();
defaultEmails.Add(emailBuilder.BuildWithDefaults());
return WithUserName("DefaultUser")
.WithFirstName("Default")
.WithLastName("User")
.WithAddresses(defaultAddresses)
.WithPhones(defaultPhones)
.WithEmails(defaultEmails)
.Build();
}