SearchServiceTests.testIsParallelCollectionSupportedForResults fails intermittently

```
12:37:10 org.elasticsearch.search.SearchServiceTests > testIsParallelCollectionSupportedForResults FAILED
12:37:10     java.lang.AssertionError
12:37:10         at __randomizedtesting.SeedInfo.seed([4140C168DE8FB0BB:771A78D5E4B36180]:0)
12:37:10         at org.junit.Assert.fail(Assert.java:86)
12:37:10         at org.junit.Assert.assertTrue(Assert.java:41)
12:37:10         at org.junit.Assert.assertFalse(Assert.java:64)
12:37:10         at org.junit.Assert.assertFalse(Assert.java:74)
12:37:10         at org.elasticsearch.search.SearchServiceTests.testIsParallelCollectionSupportedForResults(SearchServiceTests.java:2096)
```

```
./gradlew ':server:test' --tests "org.elasticsearch.search.SearchServiceTests.testIsParallelCollectionSupportedForResults" -Dtests.seed=4140C168DE8FB0BB -Dtests.locale=es-SV -Dtests.timezone=Africa/Banjul -Druntime.java=20
```
server/src/test/java/org/elasticsearch/search/SearchServiceTests.java
}
        });
        latch1.await();
        CountDownLatch latch2 = new CountDownLatch(1);
        service.executeDfsPhase(request, task, new ActionListener<>() {
            @Override
            public void onResponse(SearchPhaseResult searchPhaseResult) {
                service.freeReaderContext(searchPhaseResult.getContextId());
                latch2.countDown();
            }
            @Override
            public void onFailure(Exception e) {
                try {
                    fail("Search should not be cancelled");
                } finally {
                    latch2.countDown();
                }
            }
        });
        latch2.await();
        AtomicBoolean searchContextCreated = new AtomicBoolean(false);
        service.setOnCreateSearchContext(c -> searchContextCreated.set(true));
        CountDownLatch latch3 = new CountDownLatch(1);
        TaskCancelHelper.cancel(task, "simulated");
        service.executeQueryPhase(request, task, new ActionListener<>() {
            @Override
            public void onResponse(SearchPhaseResult searchPhaseResult) {
                try {
                    fail("Search not cancelled early");
                } finally {