public void newCustomerTest()
{
//Arrange
CKIR KIR = new CKIR();
CBank bank = new CBank(KIR);
bank.AddCustomer("Ivan", "Pavlov", 1);
//Assert
Assert.IsNotNull(bank.GetCustomerList());
Assert.AreEqual(bank.GetCustomer(1).GetName(), "Ivan");
Assert.AreEqual(bank.GetCustomer(1).GetSurname(), "Pavlov");
Assert.AreEqual(bank.GetCustomer(1).GetCustomerID(), 1);
}