public void Add_Mail_With_Unmatching_Zone()
{
Batch batch = new Batch(3);
Mail mail = new Mail();
mail.ZipCode = 2900;
batch.AddMail(mail);
}
public void Add_Mail_With_Matching_Zone()
{
Batch batch = new Batch(2);
Mail mail = new Mail();
mail.ZipCode = 2900;
batch.AddMail(mail);
Assert.AreEqual(1, batch.Count);
}