@Test
	public void exceededCapacityTest2() {

		Activity activity = new Activity("Baloncesto Primaria", 1,
				new BigDecimal(20.0), new BigDecimal(0), new HashSet<Student>());

		try {
			activityService.create(activity);
		} catch (DuplicateInstanceException e) {
			fail("Duplicated activity");
		}
		assertFalse(activityService.exceededCapacity(activity));
	}