SearchResultBuilder builder = SearchResult.create();
            builder.addDocument(null); // Add null document
            Map<String, Object> doc = new HashMap<>();
            doc.put(ID_FIELD, "valid_doc");
            builder.addDocument(doc);
            builder.allRecordCount(2);
            builder.allRecordCountRelation(Relation.EQUAL_TO.toString());
            return builder.build();
        }
    }