@Test
    public void testGetOrder() {
        final int result = grpcPlugin.getOrder();
        assertEquals(PluginEnum.GRPC.getCode(), result);
    }
The Test Case For {@link GrpcPlugin}.
shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-grpc/src/test/java/org/apache/shenyu/plugin/grpc/GrpcPluginTest.java