ds1.put("key1", "value11");
Collection<?> categories = ds0.listAllCategories();
log.info("server0: categories: " + categories);
assertTrue("server0 has category " + NOTIFY_CATEGORY, categories.contains(NOTIFY_CATEGORY));
categories = ds1.listAllCategories();
log.info("server1: categories: " + categories);
assertTrue("server1 has category " + NOTIFY_CATEGORY, categories.contains(NOTIFY_CATEGORY));
Collection<?> keys = ds0.listAllKeys(NOTIFY_CATEGORY);
log.info("server0: keys: " + keys);