### 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
}
        
        final List<ActionFuture<AcknowledgedResponse>> deleteFutures = new ArrayList<>(nbIndices);
        for (int i = 0; i < nbIndices; i++) {
            deleteFutures.add(startDeleteSnapshot(repository, "snapshot-" + i));
        }
        for (ActionFuture<RestoreSnapshotResponse> operation : restoreFutures) {
            try {
                final RestoreInfo restoreResponse = operation.get().getRestoreInfo();
                assertThat(restoreResponse.successfulShards(), greaterThanOrEqualTo(1));
                assertEquals(0, restoreResponse.failedShards());
            } catch (ExecutionException e) {
                final Throwable csee = ExceptionsHelper.unwrap(e, ConcurrentSnapshotExecutionException.class);
                assertThat(csee, instanceOf(ConcurrentSnapshotExecutionException.class));
            }
        }
        for (ActionFuture<AcknowledgedResponse> operation : cloneFutures) {
            try {
                assertAcked(operation.get());
            } catch (ExecutionException e) {
                final Throwable csee = ExceptionsHelper.unwrap(e, SnapshotException.class);
                assertThat(
                    csee,
                    either(instanceOf(ConcurrentSnapshotExecutionException.class)).or(instanceOf(SnapshotMissingException.class))
                );
            }
        }
        for (ActionFuture<AcknowledgedResponse> operation : deleteFutures) {
            try {
                assertAcked(operation.get());