From d0949b7c5ccab058b94de651e08589ed5c5219a9 Mon Sep 17 00:00:00 2001
From: Madelyn Olson <34459052+madolson@users.noreply.github.com>
Date: Mon, 10 Jan 2022 16:21:05 -0800
Subject: Fix timing issue with cluster hostname test (#10086)

---
 tests/cluster/tests/27-endpoints.tcl | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'tests/cluster')

diff --git a/tests/cluster/tests/27-endpoints.tcl b/tests/cluster/tests/27-endpoints.tcl
index 0cadee2eb..4010b92ed 100644
--- a/tests/cluster/tests/27-endpoints.tcl
+++ b/tests/cluster/tests/27-endpoints.tcl
@@ -166,6 +166,16 @@ test "Verify the nodes configured with prefer hostname only show hostname for ne
     # Have a replica meet the isolated node
     R 3 cluster meet 127.0.0.1 [get_instance_attrib redis 6 port]
 
+    # Wait for the isolated node to learn about the rest of the cluster,
+    # which correspond to a single entry in cluster nodes. Note this
+    # doesn't mean the isolated node has successfully contacted each
+    # node.
+    wait_for_condition 50 100 {
+        [llength [split [R 6 CLUSTER NODES] "\n"]] eq 21 
+    } else {
+        fail "Isolated node didn't learn about the rest of the cluster *"
+    }
+
     # Now, we wait until the two nodes that aren't filtering packets
     # to accept our isolated nodes connections. At this point they will
     # start showing up in cluster slots. 
-- 
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