public void ShouldMapLineEntryTransactionId()
{
LedgerBook result = ArrangeAndAct();
Guid subject = result.Reconciliations.First().Entries.First().Transactions.First().Id;
Assert.AreEqual(TestData.Reconciliations.First().Entries.First().Transactions.First().Id, subject);
Assert.AreNotEqual(Guid.Empty, subject);
}