// Purge  ConceptClass
	public void shouldPurgeAConceptClass() throws Exception {
		String uuid = "77177ce7-1410-40ee-bbad-ff6905ee3095";

		Assert.assertNotNull(service.getConceptClassByUuid(uuid));
		MockHttpServletRequest req = request(RequestMethod.DELETE, getURI() + "/" + uuid);
		req.addParameter("purge", "");
		handle(req);
		Assert.assertNull(service.getConceptClassByUuid(uuid));
	}