wallet_test: stop creating coinbase txns, make wallet think it's synced
wallet_test: stop creating coinbase txns, make wallet think it's synced

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