Fix tests for comms and xxcomms refactor

api/client.go

api/results_test.go

api/utils_test.go

bindings/callback.go

go.mod

go.sum

interfaces/params/network.go

interfaces/params/rounds.go

keyExchange/confirm_test.go

keyExchange/exchange.go

keyExchange/trigger_test.go

keyExchange/utils_test.go

network/checkedRounds.go

network/ephemeral/tracker_test.go

network/follow.go

network/node/register.go

network/rounds/check.go

network/rounds/historical.go

network/rounds/manager.go

network/rounds/utils_test.go