@Override
    public LoadBalancer newLoadBalancer(final LoadBalancer.Helper helper) {
        return new AbstractLoadBalancer(helper) {
            @Override
            protected AbstractReadyPicker newPicker(final List<LoadBalancer.Subchannel> list) {
                return new RandomPicker(list);
            }
        };
    }
@Test
    public void testNewLoadBalancer() {
        LoadBalancer.Helper helper = new UnitTestReadHelper();
        final LoadBalancer loadBalancer = randomLoadBalancerProvider.newLoadBalancer(helper);
        assertNotNull(loadBalancer);
    }