test: add methods for connecting nodes, funding the wallet of nodes
test: add methods for connecting nodes, funding the wallet of nodes

LightningNetwork/lnd,bryanvu/lnd,aakselrod/lnd,AndrewSamokhvalov/lnd,bryanvu/lnd,ddustin/lnd,LightningNetwork/lnd,aakselrod/lnd,ddustin/lnd,AndrewSamokhvalov/lnd