public List<ServiceFilter> getDelegates() {
        return this.delegates;
    }
@Test
    public void testMultiServiceFilterConfiguration() throws Exception {
        CombinedServiceCallServiceFilterConfiguration conf = new CombinedServiceCallServiceFilterConfiguration()
                .healthy()
                .passThrough();

        CombinedServiceFilter filter = (CombinedServiceFilter) conf.newInstance(context);
        assertEquals(2, filter.getDelegates().size());
        assertInstanceOf(HealthyServiceFilter.class, filter.getDelegates().get(0));
        assertInstanceOf(PassThroughServiceFilter.class, filter.getDelegates().get(1));
    }