@Test
	public void createBillTest() {
		Household hh = null;
		try {
			hh = familyService.findHousehold(0);
		} catch (InstanceNotFoundException e) {
			fail("Household not found");
		}
		billService.createBill(hh);
		assertEquals(1, hh.getBills().size());
		ArrayList<Bill> ar = new ArrayList<Bill>();
		ar.addAll(hh.getBills());
		assertEquals(Calendar.getInstance().get(Calendar.MONTH) - 1, ar.get(0)
				.getDate().get(Calendar.MONTH));
		assertEquals(Calendar.getInstance().get(Calendar.YEAR), ar.get(0)
				.getDate().get(Calendar.YEAR));
	}