@BeforeAll
    public static void setup() throws IOException {
        String dubboPluginResult = initPlugin(PluginEnum.DUBBO.getName(), "{\"register\":\"zookeeper://shenyu-zk:2181\"}");
        assertThat(dubboPluginResult, is("success"));
        DUBBO_REQUEST.put("id", TEST_ID);
    }
The integrated test for combination plugins about request.
shenyu-integrated-test/shenyu-integrated-test-combination/src/test/java/org/apache/shenyu/integrated/test/combination/RpcAndRequestPluginTest.java