func gossipStores(g *gossip.Gossip, stores []*proto.StoreDescriptor, t *testing.T) {
var wg sync.WaitGroup
wg.Add(len(stores))
g.RegisterCallback(gossip.MakePrefixPattern(gossip.KeyCapacityPrefix), func(_ string, _ bool) { wg.Done() })
for _, s := range stores {
keyMaxCapacity := gossip.MakeCapacityKey(s.Node.NodeID, s.StoreID)
// Gossip store descriptor.
err := g.AddInfo(keyMaxCapacity, *s, 0)
if err != nil {
t.Fatal(err)
}
}
// Wait for all gossip callbacks to be invoked.
wg.Wait()
}