Fix testShouldMinimizeRoundtrips

Search with point in time does not support ccs_minimize_round_trips

Relates #62080

Author: dnhatn

server/src/test/java/org/elasticsearch/action/search/TransportSearchActionTests.java

@@ -829,6 +829,7 @@ public void testShouldMinimizeRoundtrips() throws Exception {
             searchRequestTests.setUp();
             SearchRequest searchRequest = searchRequestTests.createSearchRequest();
             searchRequest.scroll((Scroll)null);
+            searchRequest.source().pointInTimeBuilder(null);
             searchRequest.searchType(SearchType.QUERY_THEN_FETCH);
             SearchSourceBuilder source = searchRequest.source();
             if (source != null) {