public DiscoveryTestBuilder WithPeerRepository(IPeerRepository peerRepository = default, bool mock = false)
{
_peerRepository = peerRepository == default(IPeerRepository) && mock == false
? Substitute.For <IPeerRepository>()
: peerRepository == null
? _peerRepository = DiscoveryHelper.MockPeerRepository()
: _peerRepository = peerRepository;
return(this);
}