public boolean containInstanceMetadata(Service service, String metadataId) {
        return instanceMetadataMap.containsKey(service) && instanceMetadataMap.get(service).containsKey(metadataId);
    }
@Test
    void testContainInstanceMetadata() {
        boolean result = namingMetadataManager.containInstanceMetadata(service, METADATA_ID);
        
        assertTrue(result);
    }