public void Data_Read_Accounts()
        {
            var repository = new AccountRepository(_dataConnectionString, 1);

            var data = repository.All().ToList();

            // There are 5 test accounts, but one is deleted and one is for another user
            Assert.IsTrue(data.Count == 3);
            Assert.IsTrue(data[0].AccountID == 1);
            Assert.IsTrue(data[0].Name == "Current");
            Assert.IsTrue(data[1].AccountID == 2);
            Assert.IsTrue(data[1].Name == "Savings");
            Assert.IsTrue(data[2].AccountID == 3);
            Assert.IsTrue(data[2].Name == "Credit");
        }