doReturn(readWrite).when(mockDataBroker).newReadWriteTransaction();
doReturn(Futures.immediateFuture(new DefaultDOMRpcResult())).when(netconfService).lock();
doReturn(readWrite).when(mockDataBroker).newReadWriteTransaction();
doReturn(Futures.immediateFuture(new DefaultDOMRpcResult())).when(netconfService).lock();