@Override
        void setupPingTask() {}
A load balancer that has all the functionality of the Base one except it does not
schedule any ping tasks that can concurrently update the state of the LB by either
causing forced pings to be dropped or changing the expected state of the test before
we assert our invariants.
ribbon-loadbalancer/src/test/java/com/netflix/loadbalancer/ServerStatusChangeListenerTest.java