public List<String> getDeletedIds() {
        return deletedIds;
    }
@Test
    public void testGetDeletedIds() {
        List<String> ids = roleDOList
                .stream()
                .map(BaseDO::getId)
                .collect(Collectors.toList());
        assertEquals(ids, batchRoleDeletedEventTest.getDeletedIds());

        List<String> emptyIds = emptyRoleDOList
                .stream()
                .map(BaseDO::getId)
                .collect(Collectors.toList());
        assertEquals(emptyIds, batchRoleDeletedEventEmptySourceTest.getDeletedIds());
    }