public void HeartbeatNodeRing_must_pick_all_except_own_as_receivers_when_less_than_total_number_of_nodes()
{
var expected = ImmutableHashSet.Create(aa, bb, dd, ee);
new HeartbeatNodeRing(cc, _nodes, 4).MyReceivers.Value.ShouldBe(expected);
new HeartbeatNodeRing(cc, _nodes, 5).MyReceivers.Value.ShouldBe(expected);
new HeartbeatNodeRing(cc, _nodes, 6).MyReceivers.Value.ShouldBe(expected);
}