public void should_withdraw_money_from_account_when_minimum_balance_is_maintained()
{
CheckingAccount account = new CheckingAccount(300);
account.Withdraw(50);
Assert.That(account.Balance, Is.EqualTo(250));
}
public void should_not_withdraw_money_from_account_when_minimum_balance_is_not_maintained()
{
CheckingAccount account = new CheckingAccount(300);
account.Withdraw(200);
}