@Test
	public void removeActivityTest() throws InstanceNotFoundException {

		Activity activity = null;
		try {
			activity = activityService.find(0);
		} catch (InstanceNotFoundException e1) {
			fail("Activity not exist");
		}
		activityService.remove(activity);

		assertFalse("Activity not delete", activityService.getActivities()
				.contains(activity));

	}