@Test
    public void testListByIdentifier() {
        Integer oracleSinkId = this.saveSink("oracle_default1");
        StreamSink sink = sinkService.get(oracleSinkId);
        Assertions.assertEquals(globalGroupId, sink.getInlongGroupId());
        deleteSink(oracleSinkId);
    }
Delete sink info by sink id.
inlong-manager/manager-service/src/test/java/org/apache/inlong/manager/service/sink/OracleSinkServiceTest.java