@Override
    public void receiveConfigInfo(final String configInfo) {
    }
@Test
    void receiveConfigInfo() {
        final Deque<String> data = new ArrayDeque<String>();
        AbstractConfigChangeListener a = new AbstractConfigChangeListener() {
            @Override
            public void receiveConfigChange(ConfigChangeEvent event) {
            }
            
            @Override
            public void receiveConfigInfo(String configInfo) {
                super.receiveConfigInfo(configInfo);
                data.offer(configInfo);
            }
        };
        a.receiveConfigInfo("foo");
        final String actual = data.poll();
        assertEquals("foo", actual);
    }