public void ShouldMapAllTransactionsAndHaveSameSum()
{
Assert.AreEqual(TestData.Transactions.Sum(t => t.Amount), Result.AllTransactions.Sum(t => t.Amount));
Assert.AreEqual(TestData.Transactions.Sum(t => t.Date.Ticks), Result.AllTransactions.Sum(t => t.Date.Ticks));
}