Try to fix the test

Signed-off-by: Binbin <[email protected]>

src/cluster_legacy.c

@@ -3516,18 +3516,17 @@ int clusterProcessPacket(clusterLink *link) {
                     /* Primary turned into a replica! Reconfigure the node. */
                     if (sender_claimed_primary && areInSameShard(sender_claimed_primary, sender)) {
                         /* `sender` was a primary and was in the same shard as its new primary */
-                        if (nodeIsPrimary(sender_claimed_primary) &&
-                            sender_claimed_primary->configEpoch > sender_claimed_config_epoch) {
+                        if (nodeEpoch(sender_claimed_primary) > sender_claimed_config_epoch) {
                             serverLog(LL_NOTICE,
                                       "Ignore stale message from %.40s (%s) in shard %.40s;"
                                       " gossip config epoch: %llu, current config epoch: %llu",
                                       sender->name, sender->human_nodename, sender->shard_id,
                                       (unsigned long long)sender_claimed_config_epoch,
-                                      (unsigned long long)sender_claimed_primary->configEpoch);
+                                      (unsigned long long)nodeEpoch(sender_claimed_primary));
                             /* This packet is stale so we avoid processing it anymore. Otherwise
                              * this may cause a primary-replica chain issue. */
                             return 1;
-                        } else {
+                        } else if (nodeIsReplica(sender_claimed_primary)) {
                             /* `primary` is still a `replica` in this observer node's view;
                              * update its role and configEpoch */
                             clusterSetNodeAsPrimary(sender_claimed_primary);