fix more testing

cmd/conf/db_test.go

cmd/conf/params.go

cmd/conf/params_test.go

graphs/realtime/decrypt.go

internal/instance_test.go

internal/queue_test.go

io/receiveSharePhase_test.go

node/changeHandlers_test.go

node/mockserver_test.go

node/startRound_test.go

permissioning/mockserver_test.go

permissioning/permissioning_test.go

services/graph.go