message: tests: Modify rpc_bind to conform to behaviour.
  Even when rpcallowip is specified, only bind localhost
  Explicitly bind in run_allowip_test
diff: @@ -48,9 +48,12 @@ class RPCBindTest(BitcoinTestFramework):
  at a non-localhost IP.
  '''
  self.log.info("Allow IP test for %s:%d" % (rpchost, rpcport))
  - base_args = ['-disablewallet', '-nolisten'] + ['-rpcallowip='+x for x in allow_ips]
  + node_args = \
  + ['-disablewallet', '-nolisten'] + \
  + ['-rpcallowip='+x for x in allow_ips] + \
  + ['-rpcbind='+addr for addr in ['127.0.0.1', "%s:%d" % (rpchost, rpcport)]] # Bind to localhost as well so start_nodes doesn't hang
  self.nodes[0].rpchost = None
  - self.start_nodes([base_args])
  + self.start_nodes([node_args])
  # connect to node through non-loopback interface
  node = get_rpc_proxy(rpc_url(self.nodes[0].datadir, 0, "%s:%d" % (rpchost, rpcport)), 0, coveragedir=self.options.coveragedir)
  node.getnetworkinfo()
  @@ -101,9 +104,9 @@ class RPCBindTest(BitcoinTestFramework):
  # check default without rpcallowip (IPv4 and IPv6 localhost)
  self.run_bind_test(None, '127.0.0.1', [],
  [('127.0.0.1', self.defaultport), ('::1', self.defaultport)])
  - # check default with rpcallowip (IPv6 any)
  + # check default with rpcallowip (IPv4 and IPv6 localhost)
  self.run_bind_test(['127.0.0.1'], '127.0.0.1', [],
  - [('::0', self.defaultport)])
  + [('127.0.0.1', self.defaultport), ('::1', self.defaultport)])
  # check only IPv6 localhost (explicit)
  self.run_bind_test(['[::1]'], '[::1]', ['[::1]'],
  [('::1', self.defaultport)])
  