EventSubscriptionQuery query = runtimeService.createEventSubscriptionQuery()
.eventSubscriptionId(eventSubscription.getId());
assertEquals(1, query.count());
assertEquals(1, query.list().size());
assertNotNull(query.singleResult());
try {
runtimeService.createEventSubscriptionQuery().eventSubscriptionId(null).list();
fail("Expected ProcessEngineException");
} catch (ProcessEngineException e) {