public void UpdateCustomerMoney()
{
Customers c = new Customers()
{
id = 105, name = "Paul", money = 100
};
Assert.IsTrue(CustomerCRUD.addCustomer(c.id, c.name, c.money));
Assert.IsTrue(CustomerCRUD.updateMoney(c.id, 300));
c = CustomerCRUD.getCustomer(c.id);
Assert.AreEqual(c.money, 400);
}