    @Test
    public void shouldReturnEmpty_IfBindingNotFound() throws Exception {

        ExceptionHandlerBinding binding = ExceptionHandlerBinding.fromAnnotatedClass(IllegalStateExceptionHandler.class);
        registry = new RestExceptionHandlerRegistry(Sets.newHashSet(binding));
        Optional<ExceptionHandlerBinding> foundBinding = registry.findBindingFor(IllegalArgumentException.class);
        assertThat(foundBinding).isEmpty();
    }