**Build scan:**
https://gradle-enterprise.elastic.co/s/n2olvudhxfuq2/tests/:server:test/org.elasticsearch.cluster.coordination.StableMasterHealthIndicatorServiceTests/testYellowWithTooManyMasterChanges

**Reproduction line:**
`./gradlew ':server:test' --tests "org.elasticsearch.cluster.coordination.StableMasterHealthIndicatorServiceTests.testYellowWithTooManyMasterChanges" -Dtests.seed=89621FE155F2E376 -Dtests.locale=ar-SY -Dtests.timezone=Asia/Phnom_Penh -Druntime.java=17`

**Applicable branches:**
master

**Reproduces locally?:**
No

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.cluster.coordination.StableMasterHealthIndicatorServiceTests&tests.test=testYellowWithTooManyMasterChanges

**Failure excerpt:**
```
java.lang.AssertionError: 
Expected: <YELLOW>
     but: was <GREEN>

  at __randomizedtesting.SeedInfo.seed([89621FE155F2E376:A89FC8D534F19EF2]:0)
  at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
  at org.junit.Assert.assertThat(Assert.java:956)
  at org.junit.Assert.assertThat(Assert.java:923)
  at org.elasticsearch.cluster.coordination.StableMasterHealthIndicatorServiceTests.testChangeMasterThreeTimes(StableMasterHealthIndicatorServiceTests.java:432)
  at org.elasticsearch.cluster.coordination.StableMasterHealthIndicatorServiceTests.testYellowWithTooManyMasterChanges(StableMasterHealthIndicatorServiceTests.java:403)
  at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)
  at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
  at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:568)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:44)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:375)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:824)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:475)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:375)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:831)
  at java.lang.Thread.run(Thread.java:833)

```
server/src/test/java/org/elasticsearch/cluster/coordination/CoordinationDiagnosticsServiceTests.java
*/
        testTooManyTransitionsToNull(true, CoordinationDiagnosticsService.CoordinationDiagnosticsStatus.GREEN);
    }
    private void testTooManyTransitionsToNull(
        boolean remoteHistoryIsNull,
        CoordinationDiagnosticsService.CoordinationDiagnosticsStatus expectedStatus
    ) throws Exception {
        /*
         * On the local node:
         *   node1 -> null -> node1 -> null -> node1 -> null -> node2 -> null -> node1 -> null -> node1
         * On the master node:
         *   node1 -> null -> node1 -> null -> node1 -> null -> node2 -> null -> node1 -> null -> node1
         * In this case we detect 2 identity changes (node1 -> node2, and node2 -> node1). We detect that node1 has gone to 5 times. So
         * we get a status of YELLOW.
         */
        MasterHistoryService masterHistoryService = createMasterHistoryService();
        MasterHistory localMasterHistory = masterHistoryService.getLocalMasterHistory();
        CoordinationDiagnosticsService service = createCoordinationDiagnosticsService(nullMasterClusterState, masterHistoryService);
        localMasterHistory.clusterChanged(new ClusterChangedEvent(TEST_SOURCE, node1MasterClusterState, nullMasterClusterState));
        localMasterHistory.clusterChanged(new ClusterChangedEvent(TEST_SOURCE, nullMasterClusterState, node1MasterClusterState));
        localMasterHistory.clusterChanged(new ClusterChangedEvent(TEST_SOURCE, node1MasterClusterState, nullMasterClusterState));
        localMasterHistory.clusterChanged(new ClusterChangedEvent(TEST_SOURCE, nullMasterClusterState, node1MasterClusterState));
        localMasterHistory.clusterChanged(new ClusterChangedEvent(TEST_SOURCE, node1MasterClusterState, nullMasterClusterState));
        localMasterHistory.clusterChanged(new ClusterChangedEvent(TEST_SOURCE, nullMasterClusterState, node1MasterClusterState));
        localMasterHistory.clusterChanged(new ClusterChangedEvent(TEST_SOURCE, node2MasterClusterState, nullMasterClusterState));
        localMasterHistory.clusterChanged(new ClusterChangedEvent(TEST_SOURCE, nullMasterClusterState, node2MasterClusterState));
        localMasterHistory.clusterChanged(new ClusterChangedEvent(TEST_SOURCE, node1MasterClusterState, nullMasterClusterState));
        localMasterHistory.clusterChanged(new ClusterChangedEvent(TEST_SOURCE, nullMasterClusterState, node1MasterClusterState));
        localMasterHistory.clusterChanged(new ClusterChangedEvent(TEST_SOURCE, node1MasterClusterState, nullMasterClusterState));
        List<DiscoveryNode> remoteHistory = remoteHistoryIsNull ? null : localMasterHistory.getNodes();