id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
assertTrue("Check instance validity - 4", id.getState() == ComponentInstance.VALID);
cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance1.getInstanceName());
assertNotNull("Check CheckService availability", cs_instance_ref);
cs_instance = (CheckService) getContext().getService(cs_instance_ref);
assertTrue("Check service invocation", cs_instance.check());
assertTrue("Check Array size - 4", ((Integer) cs_instance.getProps().get("Size")).equals(new Integer(1)));
assertTrue("Check service Binding - 4", ((Integer) cs_instance.getProps().get("Bind")).equals(new Integer(1)));
ServiceReference cs_ref2 = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), fooProvider2.getInstanceName());
assertNotNull("Check CheckService availability", cs_ref2);