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
indexShard.shardId(),
                0,
                1,
                AliasFilter.EMPTY,
                1.0f,
                -1,
                null
            );
            try (
                SearchContext context = service.createContext(
                    reader,
                    request,
                    mock(SearchShardTask.class),
                    ResultsType.NONE,
                    randomBoolean()
                )
            ) {
                Collection<FieldAndFormat> fields = context.docValuesContext().fields();
                assertThat(fields, containsInAnyOrder(new FieldAndFormat("field1", null), new FieldAndFormat("field2", null)));
            }
        }
    }
    /**
     * test that getting more than the allowed number of script_fields throws an exception
     */
    public void testMaxScriptFieldsSearch() throws IOException {
        createIndex("index");
        final SearchService service = getInstanceFromNode(SearchService.class);
        final IndicesService indicesService = getInstanceFromNode(IndicesService.class);
        final IndexService indexService = indicesService.indexServiceSafe(resolveIndex("index"));