Mute SplitIndexIT (#40945)

Relates to #40944

Author: davidkyle

server/src/test/java/org/elasticsearch/action/admin/indices/create/SplitIndexIT.java

@@ -25,6 +25,7 @@
 import org.apache.lucene.search.SortedSetSortField;
 import org.apache.lucene.search.join.ScoreMode;
 import org.apache.lucene.util.Constants;
+import org.apache.lucene.util.LuceneTestCase;
 import org.elasticsearch.Version;
 import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
 import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
@@ -78,6 +79,7 @@
 import static org.hamcrest.Matchers.greaterThanOrEqualTo;
 
 
+@LuceneTestCase.AwaitsFix( bugUrl = "https://github.com/elastic/elasticsearch/issues/40944")
 public class SplitIndexIT extends ESIntegTestCase {
 
     @Override