Design and provide unit tests to cover more use cases.
parametersConsumer.put("side", "consumer");
        parametersConsumer.put("timestamp", String.valueOf(System.currentTimeMillis()));
        
        abstractRegistry = new AbstractRegistry(url) {
            @Override
            public boolean isAvailable() {
                return false;
            }
        };
        
        listener = urls -> notifySuccess = true;
        
        notifySuccess = false;
    }
    @After
    public void after() {
        abstractRegistry.destroy();
    }
    /**
     * Test method for
     * {@link org.apache.dubbo.registry.support.AbstractRegistry#register(URL)}.
     *
     * @throws Exception
     */
    @Test
    public void testRegister() throws Exception {
        
        abstractRegistry.register(mockUrl);
        assert abstractRegistry.getRegistered().contains(mockUrl);