@Bean
    public PluginDataHandler grpcPluginDataHandler() {
        return new GrpcPluginDataHandler();
    }
@Test
    public void testGrpcPluginDataHandler() {
        applicationContextRunner.run(context -> {
                PluginDataHandler handler = context.getBean("grpcPluginDataHandler", PluginDataHandler.class);
                assertNotNull(handler);
            }
        );
    }