test: update funding persistence tests to check _open_ pending channels
test: update funding persistence tests to check _open_ pending channels

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