Fix unit tets in ReceiveMsgBytes_tests
Fix unit tets in ReceiveMsgBytes_tests

Node needs to be inserted into NodeStatePtr for test to work. Fixes
issue #323

bitcoinxt/bitcoinxt,dagurval/bitcoinxt,dagurval/bitcoinxt,dagurval/bitcoinxt,bitcoinxt/bitcoinxt,bitcoinxt/bitcoinxt,bitcoinxt/bitcoinxt,dagurval/bitcoinxt,bitcoinxt/bitcoinxt,dagurval/bitcoinxt,bitcoinxt/bitcoinxt,dagurval/bitcoinxt