@Test
public void testGetConfig() throws Exception {

    put("org.apache.dubbo.nacos.testService.configurators", "hello");
    Thread.sleep(200);
    put("dubbo.properties", "test", "aaa=bbb");
    Thread.sleep(200);
    put("org.apache.dubbo.demo.DemoService:1.0.0.test:xxxx.configurators", "helloworld");
    Thread.sleep(200);
    Assertions.assertEquals("hello", config.getConfig("org.apache.dubbo.nacos.testService.configurators", DynamicConfiguration.DEFAULT_GROUP));
    Assertions.assertEquals("aaa=bbb", config.getConfig("dubbo.properties", "test"));
    Assertions.assertEquals("helloworld", config.getConfig("org.apache.dubbo.demo.DemoService:1.0.0.test:xxxx.configurators", DynamicConfiguration.DEFAULT_GROUP));
}