@AfterAll
    public static void testIsOneThreadPool() throws IOException {
        String spring = HttpHelper.INSTANCE.getFromGateway("/shenyu/getFromSpring", String.class);
        String dubbo = HttpHelper.INSTANCE.getFromGateway("/shenyu/getFromDubbo", String.class);
        assertEquals(spring, dubbo);
        String grpc = HttpHelper.INSTANCE.getFromGateway("/shenyu/getFromGrpc", String.class);
        assertEquals(spring, grpc);
        String motan = HttpHelper.INSTANCE.getFromGateway("/shenyu/getFromMotan", String.class);
        assertEquals(spring, motan);
        // TODO test sofa
    }
The integrated test for combination plugins about shared thread pool.
shenyu-integrated-test/shenyu-integrated-test-combination/src/test/java/org/apache/shenyu/integrated/test/combination/SharedThreadPoolTest.java