public void PruneTest1()
{
Span <CoinEvent> events = stackalloc CoinEvent[3];
events[0] = new CoinEvent(_1, CoinEventKind.Production);
events[1] = new CoinEvent(_2, CoinEventKind.Consumption);
events[2] = new CoinEvent(_2_1, CoinEventKind.Consumption);
Assert.True(_lineage.IsCoinPrunable(events));
}
