public void A_gossip_must_have_leader_as_first_member_based_on_ordering_except_exiting_status()
{
Assert.Equal(c2.UniqueAddress, new Gossip(ImmutableSortedSet.Create(c2, e2)).Leader(c2.UniqueAddress));
Assert.Equal(e2.UniqueAddress, new Gossip(ImmutableSortedSet.Create(c3, e2)).Leader(e2.UniqueAddress));
Assert.Equal(c3.UniqueAddress, new Gossip(ImmutableSortedSet.Create(c3)).Leader(c3.UniqueAddress));
}