public void RemoveCustomerFromTheListOfAllCustomersTest()
{
Customer customer1 = new Customer("Paul", "*****@*****.**", 0, true);
Customer customer2 = new Customer("Marry", "*****@*****.**", 1, true);
theater.AddCustomerToTheListOfAllCustomers(customer1);
theater.AddCustomerToTheListOfAllCustomers(customer2);
List <Customer> customers = theater.GetListOfAllCustomers();
Assert.AreEqual(true, theater.RemoveCustomerFromTheListOfAllCustomers(0));
Assert.AreEqual(customers[0], customer2);
}