public DiscoveryTestBuilder WithStepProposal(IHastingsOriginator stateCandidate = default,
bool mock = false,
PeerId peer = default,
INeighbours neighbours = default,
ICorrelationId expectedPnr = default)
{
var pnrCorrelationId = expectedPnr ?? CorrelationId.GenerateCorrelationId();
_currentState = mock
? stateCandidate ?? DiscoveryHelper.MockOriginator(peer, neighbours)
: stateCandidate ?? DiscoveryHelper.SubOriginator(peer, neighbours, pnrCorrelationId);
return(this);
}