@Before
public void setup() throws Exception {
super.setup();
this.exchangeRateMap.addExchangeRate(EUR, USD, now(), decimal("1.499900006016309"));
this.checking = new Account("Checking", USD);
this.savings = new Account("Savings", EUR);
this.hierarchy = builder.build(
ImmutableList.of(
spent("400.00").from(checking).at("Whole Foods").on("food").build(),
spent("103.50").from(checking).at("ATM").on("cash").build(),
spent("200.00").from(savings).at("Rent").on("rent").build()