test: add unit test for node getNetworkName
test: add unit test for node getNetworkName

zcoinrocks/bitcore-node,kleetus/bitcore-node,braydonf/bitcore-node,snogcel/bitcore-node-dash,zcoinrocks/bitcore-node,snogcel/bitcore-node-dash,braydonf/bitcore-node,kleetus/bitcore-node