public static <T, R> R unaryCall(Invoker<?> invoker, MethodDescriptor methodDescriptor, T request) {
        return (R) call(invoker, methodDescriptor, new Object[] {request});
    }
@Test
    void unaryCall() {
        when(invoker.invoke(any(Invocation.class))).thenReturn(result);
        Object ret = StubInvocationUtil.unaryCall(invoker, method, request);
        Assertions.assertEquals(response, ret);
    }