public void publishNamespace(final String releaseTitle, final String releaseComment) {
        NamespaceReleaseDTO namespaceReleaseDTO = new NamespaceReleaseDTO();
        namespaceReleaseDTO.setReleaseTitle(releaseTitle);
        namespaceReleaseDTO.setReleaseComment(releaseComment);
        namespaceReleaseDTO.setReleasedBy(operatorUser);

        this.apolloOpenApiClient.publishNamespace(
                apolloConfig.getAppId(),
                apolloConfig.getEnv(),
                apolloConfig.getClusterName(),
                apolloConfig.getNamespace(),
                namespaceReleaseDTO
        );
    }
@Test
    public void testPublishNamespace() {
        doNothing().when(apolloClient).publishNamespace(Mockito.any(), Mockito.any());
        apolloClient.publishNamespace("Dr", "1.0.2");
        verify(apolloClient).publishNamespace(Mockito.any(), Mockito.any());
    }