public void ClearNoEntries()
        {
            var list = new TransactionListTestClass();

            list.Clear();

            list.Should().BeEmpty();
        }
        public void Clear()
        {
            var list = new TransactionListTestClass();

            list.Add(Guid.NewGuid(), new Date(2000, 01, 01));
            list.Add(Guid.NewGuid(), new Date(2001, 01, 01));
            list.Add(Guid.NewGuid(), new Date(2002, 01, 01));

            list.Clear();

            list.Should().BeEmpty();
        }