private PostJournalResponse GivenOneJournal(string dateTime, string description)
 {
     return _postJournal.Execute(new PostJournalRequest
     {
         PostingDateTime = DateTime.Parse(dateTime),
         Description = description,
         Entries = new PostJournalRequest.Entry[] { }
     });
 }
        public void CanPostJournal(
            string date, string description,
            string expectedDate, string expectedDescription
            )
        {
            var postJournal = new PostJournal(this);

            postJournal.Execute(new PostJournalRequest
            {
                PostingDateTime = DateTime.Parse(date),
                Description     = description
            });

            _savedJournal.PostingDate.Should().Be(DateTime.Parse(expectedDate));
            _savedJournal.Description.Should().Be(expectedDescription);
        }