Change Variable Type	nnMap : Map<InetSocketAddress,DatanodeProtocol> to nnMap : Map<InetSocketAddress,DatanodeProtocolClientSideTranslatorPB> in method private setupBPOSForNNs(nns DatanodeProtocolClientSideTranslatorPB...) : BPOfferService in class org.apache.hadoop.hdfs.server.datanode.TestBPOfferService