[Tests] Fix randomization in StringTermsIT (#33678)

It looks like the COLLECT_SEGMENT_ORDS flag should be randomized.

Author: Christoph Büscher

server/src/test/java/org/elasticsearch/search/aggregations/bucket/terms/StringTermsIT.java

@@ -36,9 +36,6 @@
 import org.elasticsearch.search.aggregations.BucketOrder;
 import org.elasticsearch.search.aggregations.bucket.AbstractTermsTestCase;
 import org.elasticsearch.search.aggregations.bucket.filter.Filter;
-import org.elasticsearch.search.aggregations.bucket.terms.IncludeExclude;
-import org.elasticsearch.search.aggregations.bucket.terms.Terms;
-import org.elasticsearch.search.aggregations.bucket.terms.TermsAggregatorFactory;
 import org.elasticsearch.search.aggregations.bucket.terms.Terms.Bucket;
 import org.elasticsearch.search.aggregations.metrics.avg.Avg;
 import org.elasticsearch.search.aggregations.metrics.stats.Stats;
@@ -90,7 +87,7 @@ protected Collection<Class<? extends Plugin>> nodePlugins() {
 
     @Before
     public void randomizeOptimizations() {
-        TermsAggregatorFactory.COLLECT_SEGMENT_ORDS = false;randomBoolean();
+        TermsAggregatorFactory.COLLECT_SEGMENT_ORDS = randomBoolean();
         TermsAggregatorFactory.REMAP_GLOBAL_ORDS = randomBoolean();
     }