assertEquals(2, events.size());
        assertEquals("message1", events.get(0).getMessage());
        assertEquals("message2", events.get(1).getMessage());
    }

    @Test
    public void test_drainAll_empty() {
        LogNotificationHelper helper = new LogNotificationHelper();
        List<LogNotificationEvent> events = helper.drainAll();
        assertNotNull(events);
        assertTrue(events.isEmpty());
    }