Fix tests and formatting

cmd/root.go

cmd/single.go

keyExchange/trigger.go

network/message/sendManyCmix.go

network/roundTracking.go

network/rounds/check.go

network/rounds/retrieve.go

network/rounds/unchecked.go

storage/e2e/stateVector.go

storage/e2e/stateVector_test.go

storage/rounds/checkedRounds.go

storage/utility/e2eMessageBuffer_test.go