@Test
    void should_allow_subscription_and_unsubscription() {
        String eventLabel = "test::event::basicUsage";
        Subscription subscription = eventService.subscribe(eventLabel, e -> {});
        Assertions.assertNotNull(subscription);
        Assertions.assertDoesNotThrow(() -> eventService.unsubscribe(subscription));
    }
Ensure that base Bean loading functions are satisfied
src/test/java/com/kodedu/service/impl/EventServiceTest.java