@Test
    public void testListByIdentifier() {
        Integer sinkId = this.saveSink("default1");
        StreamSink sink = sinkService.get(sinkId);
        Assertions.assertEquals(GLOBAL_GROUP_ID, sink.getInlongGroupId());
        deleteSink(sinkId);
    }
Delete sink info by sink id.
inlong-manager/manager-service/src/test/java/org/apache/inlong/manager/service/sink/KafkaSinkServiceTest.java