970cbe09b5
In current implementation it's been assumed that there will be only one interface registered for service discovery in mdnsresponder. In reality there's possibility that some real but currently unused interfaces will have link-local address assigned prior to registration, which will cause mdnsresponder to register these interfaces for service discovery. This will result in SERVICE_LOST and SERVICE_FOUND events to be received more than one time. Current test implementation is not 100% prone for this situation - depending upon time gap between both events it can PASS or FAIL. Fix by removing an assert on number of received events. Change-Id: I147dc4d600f41f6d63d2b9e4bcb10efe90d5b3ec