private Txaction paidRent = new Txaction(checking, decimal("-1500.00"), date(2009, 1, 18));
private Txaction boughtLunch = new Txaction(checking, decimal("12.34"), new DateTime(2009, 1, 18, 23, 0, 0, 0));
@Before
public void setup() {
final IntervalSummarizer summarizer = new IntervalSummarizer(new CurrencyExchangeRateMap());
this.summaries = summarizer.summarize(ImmutableList.of(paidRent, boughtLunch), interval, IntervalType.DAILY, USD, null);
}