@Test
    public void testAllExist() {
        when(apolloClient.getItemValue(join(PLUGIN_DATA_ID))).thenReturn(META_DATA_ID);
        when(apolloClient.getItemValue(join(AUTH_DATA_ID))).thenReturn(META_DATA_ID);
        when(apolloClient.getItemValue(join(META_DATA_ID))).thenReturn(META_DATA_ID);
        when(apolloClient.getItemValue(join(PROXY_SELECTOR_DATA_ID))).thenReturn(META_DATA_ID);
        Assertions.assertFalse(apolloDataChangedInit.notExist(), "some key not exist.");
    }
Method under test: {@link ApolloDataChangedInit#notExist()}.
shenyu-admin-listener/shenyu-admin-listener-apollo/src/test/java/org/apache/shenyu/admin/listener/apollo/ApolloDataChangedInitTest.java