public static RPCRequest createRequest() {
   int xid = XID.next();
   RPCRequest base = new RPCRequest(xid, RPC_VERSION);
   base.setProgram(NFS_PROG);
   base.setProcedure(NFS_PROC_COMPOUND);
   base.setProgramVersion(NFS_VERSION);
   assertEquals(xid, base.getXid());
   assertEquals(RPC_MESSAGE_TYPE_CALL, base.getMessageType());
   assertEquals(RPC_VERSION, base.getRpcVersion());
   assertEquals(NFS_PROG, base.getProgram());
   assertEquals(NFS_VERSION, base.getProgramVersion());
   assertEquals(NFS_PROC_COMPOUND, base.getProcedure());
   base.setCredentials(new CredentialsNone());
   base.setVerifier(new VerifierNone());
   assertEquals(RPC_AUTH_NULL, base.getCredentials().getFlavor());
   return base;
 }