Some more earlier failures with the same issue (all in Windows builds):
https://gradle-enterprise.elastic.co/s/ic3vf76vlpiho
https://gradle-enterprise.elastic.co/s/7nsuvadgg5bbm
https://gradle-enterprise.elastic.co/s/7kcrezoswrgdg

**Build scan:**
https://gradle-enterprise.elastic.co/s/whgmtqrtovpgu/tests/:server:internalClusterTest/org.elasticsearch.reservedstate.service.FileSettingsServiceIT/testErrorSaved

**Reproduction line:**
`gradlew ':server:internalClusterTest' --tests "org.elasticsearch.reservedstate.service.FileSettingsServiceIT.testErrorSaved" -Dtests.seed=762F971779043BEB -Dtests.locale=es-BO -Dtests.timezone=Africa/Luanda -Druntime.java=18`

**Applicable branches:**
main

**Reproduces locally?:**
Didn't try

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.reservedstate.service.FileSettingsServiceIT&tests.test=testErrorSaved

**Failure excerpt:**
```
org.elasticsearch.cluster.metadata.ProcessClusterEventTimeoutException: failed to process cluster event (delete_repository [*]) within 30s

  at __randomizedtesting.SeedInfo.seed([762F971779043BEB:C5DE1806AEE40E21]:0)
  at org.elasticsearch.cluster.service.MasterService$Batcher.lambda$onTimeout$1(MasterService.java:165)
  at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:825)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  at java.lang.Thread.run(Thread.java:833)

```
server/src/test/java/org/elasticsearch/cluster/metadata/ToAndFromJsonMetadataTests.java
builder.endObject();
        assertEquals("""
            {
              "meta-data" : {
                "version" : 0,
                "cluster_uuid" : "clusterUUID",
                "cluster_uuid_committed" : false,
                "cluster_coordination" : {
                  "term" : 1,
                  "last_committed_config" : [
                    "commitedConfigurationNodeId"
                  ],
                  "last_accepted_config" : [
                    "acceptedConfigurationNodeId"
                  ],
                  "voting_config_exclusions" : [
                    {
                      "node_id" : "exlucdedNodeId",
                      "node_name" : "excludedNodeName"
                    }
                  ]
                },
                "settings" : {
                  "index.version.created" : "%s"
                },
                "templates" : {
                  "template" : {
                    "order" : 0,
                    "index_patterns" : [
                      "pattern1",