@Override
    public void getAuths(RpcController controller, GetAuthsRequest request,
      RpcCallback<GetAuthsResponse> done) {
    }
Tests that the MasterRpcServices is correctly searching for implementations of the Coprocessor
Service and not just the "default" implementations of those services.
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterCoprocessorServices.java