message: add -conf path before launching bitcoind
diff: @@ -330,6 +330,8 @@ def start_node(i, dirname, extra_args=None, rpchost=None, timewait=None, binary=
  binary = os.getenv("BITCOIND", "bitcoind")
  # RPC tests still depend on free transactions
  args = [ binary, "-datadir="+datadir, "-rest", "-mocktime="+str(get_mocktime()) ] # // BU removed, "-keypool=1","-blockprioritysize=50000" ]
  + # need for some client and no harm to include for all; otherwise bitcoind starts on mainnet listening at port 8332
  + args.append("-conf="+ os.path.join(datadir, "bitcoin.conf"))
  if extra_args is not None: args.extend(extra_args)
  bitcoind_processes[i] = subprocess.Popen(args)
  if os.getenv("PYTHON_DEBUG", ""):
  