public void AddAndGetItemsToEmailRepo_ShouldBeCorrect()
        {
            EmailRepository _emailRepo = new EmailRepository();

            TypeOfCustomer customer      = new TypeOfCustomer();
            TypeOfCustomer customerTwo   = new TypeOfCustomer();
            TypeOfCustomer customerThree = new TypeOfCustomer();

            _emailRepo.AddCustomer(customer);
            _emailRepo.AddCustomer(customerTwo);
            _emailRepo.AddCustomer(customerThree);

            int actual   = _emailRepo.GetTypeOfCustomers().Count;
            int expected = 3;

            Assert.AreEqual(expected, actual);
        }
        public void RemoveFromEmailList_ShouldBeCorrect()
        {
            EmailRepository _emailRepo = new EmailRepository();

            TypeOfCustomer customer      = new TypeOfCustomer();
            TypeOfCustomer customerTwo   = new TypeOfCustomer();
            TypeOfCustomer customerThree = new TypeOfCustomer();

            _emailRepo.AddCustomer(customer);
            _emailRepo.AddCustomer(customerTwo);
            _emailRepo.AddCustomer(customerThree);

            _emailRepo.RemoveCustomerDetail(customer);

            int actual   = _emailRepo.GetTypeOfCustomers().Count;
            int expected = 2;

            Assert.AreEqual(expected, actual);
        }