// The conf is correct, the PS must be provided
ServiceReference ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), "under1");
assertNotNull("Check service availability -1", ref);
CheckService cs = (CheckService) getContext().getService(ref);
assertTrue("Check state 1", cs.check());
getContext().ungetService(ref);
cs = null;
// Reconfigure the instance with a bad configuration
props.put("conf", "bar"); // Bar is a bad conf