@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());
    }
Method under test: {@link ApolloClient#publishNamespace(String, String)}.
shenyu-admin-listener/shenyu-admin-listener-apollo/src/test/java/org/apache/shenyu/admin/listener/apollo/ApolloClientTest.java