public static void addDescriptor(String interfaceName, ServiceDescriptor serviceDescriptor) {
        SERVICE_DESCRIPTOR_MAP.put(interfaceName, serviceDescriptor);
    }
@Test
    void addDescriptor() {
        ServiceDescriptor descriptor = Mockito.mock(ServiceDescriptor.class);
        StubSuppliers.addDescriptor(serviceName, descriptor);
        Assertions.assertEquals(descriptor, StubSuppliers.getServiceDescriptor(serviceName));
    }