From 0b45fb98b97e43ddccba7bf511859563a46d5c19 Mon Sep 17 00:00:00 2001
From: Andrey Ershov <andrershov@gmail.com>
Date: Wed, 28 Nov 2018 14:49:07 +0100
Subject: [PATCH] [Zen2] Generate coordinationMetaData with different configs
 (#35991)

This PR fixes test failure, which is caused by equal randomly generated lastAcceptedConfiguration and lastCommittedConfguration.
---
 .../gateway/GatewayMetaStatePersistedStateTests.java       | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/server/src/test/java/org/elasticsearch/gateway/GatewayMetaStatePersistedStateTests.java b/server/src/test/java/org/elasticsearch/gateway/GatewayMetaStatePersistedStateTests.java
index 3c0c3b2c75f..c7bceb17831 100644
--- a/server/src/test/java/org/elasticsearch/gateway/GatewayMetaStatePersistedStateTests.java
+++ b/server/src/test/java/org/elasticsearch/gateway/GatewayMetaStatePersistedStateTests.java
@@ -221,7 +221,12 @@ public class GatewayMetaStatePersistedStateTests extends ESTestCase {
     public void testMarkAcceptedConfigAsCommitted() throws IOException {
         GatewayMetaStateUT gateway = newGateway();
 
-        CoordinationMetaData coordinationMetaData = createCoordinationMetaData(randomNonNegativeLong());
+        //generate random coordinationMetaData with different lastAcceptedConfiguration and lastCommittedConfiguration
+        CoordinationMetaData coordinationMetaData;
+        do {
+            coordinationMetaData = createCoordinationMetaData(randomNonNegativeLong());
+        } while (coordinationMetaData.getLastAcceptedConfiguration().equals(coordinationMetaData.getLastCommittedConfiguration()));
+
         ClusterState state = createClusterState(randomNonNegativeLong(),
                 MetaData.builder().coordinationMetaData(coordinationMetaData).build());
         gateway.setLastAcceptedState(state);