### CI Link

https://elasticsearch-ci.elastic.co/job/elastic+elasticsearch+pull-request+part-1/15849/consoleFull

### Repro line

./gradlew ':server:internalClusterTest' --tests "org.elasticsearch.snapshots.ConcurrentSnapshotsIT.testMasterFailoverDuringStaleIndicesCleanup" -Dtests.seed=E1117F7A8434C9ED -Dtests.locale=es-PR -Dtests.timezone=America/Cancun -Druntime.java=17

### Does it reproduce?

Yes

### Applicable branches

master

### Failure history

_No response_

### Failure excerpt

This is a test bug and a result of #86514. This test simply does not apply any longer in its current form.
I'll fix it.

Failure:


```

REPRODUCE WITH: ./gradlew ':server:internalClusterTest' --tests "org.elasticsearch.snapshots.ConcurrentSnapshotsIT.testMasterFailoverDuringStaleIndicesCleanup" -Dtests.seed=E1117F7A8434C9ED -Dtests.locale=es-PR -Dtests.timezone=America/Cancun -Druntime.java=17

org.elasticsearch.snapshots.ConcurrentSnapshotsIT > testMasterFailoverDuringStaleIndicesCleanup FAILED
    java.lang.Exception: Test abandoned because suite timeout was reached.
        at __randomizedtesting.SeedInfo.seed([E1117F7A8434C9ED]:0)

REPRODUCE WITH: ./gradlew ':server:internalClusterTest' --tests "org.elasticsearch.snapshots.ConcurrentSnapshotsIT.testMasterFailoverDuringStaleIndicesCleanup" -Dtests.seed=E1117F7A8434C9ED -Dtests.locale=es-PR -Dtests.timezone=America/Cancun -Druntime.java=17

org.elasticsearch.snapshots.ConcurrentSnapshotsIT > classMethod FAILED
    java.lang.Exception: Suite timeout exceeded (>= 1200000 msec).
        at __randomizedtesting.SeedInfo.seed([E1117F7A8434C9ED]:0)

```
server/src/internalClusterTest/java/org/elasticsearch/snapshots/ConcurrentSnapshotsIT.java
client().admin()
            .cluster()
            .prepareCreateSnapshot(otherRepoName, "snapshot")
            .setIndices("does-not-exist-*")
            .setWaitForCompletion(false)
            .get();
        unblockNode(blockedRepoName, internalCluster().getMasterName());
        expectThrows(SnapshotException.class, createSlowFuture::actionGet);
        assertBusy(() -> assertThat(currentSnapshots(otherRepoName), empty()), 30L, TimeUnit.SECONDS);
    }
    public void testMultipleReposAreIndependent() throws Exception {
        internalCluster().startMasterOnlyNode();
        
        
        final String dataNode = startDataNodeWithLargeSnapshotPool();
        final String blockedRepoName = "test-repo-blocked";
        final String otherRepoName = "test-repo";
        createRepository(blockedRepoName, "mock");
        createRepository(otherRepoName, "fs");
        createIndexWithContent("test-index");
        final ActionFuture<CreateSnapshotResponse> createSlowFuture = startFullSnapshotBlockedOnDataNode(
            "blocked-snapshot",
            blockedRepoName,
            dataNode
        );
        logger.info("--> waiting for concurrent snapshot(s) to finish");
        createNSnapshots(otherRepoName, randomIntBetween(1, 5));
        unblockNode(blockedRepoName, dataNode);
        assertSuccessful(createSlowFuture);
    }