diff --git a/src/test/java/eu/dnetlib/validator2/engine/Test_v4.java b/src/test/java/eu/dnetlib/validator2/engine/Test_v4.java
index 0328f36..f562324 100644
--- a/src/test/java/eu/dnetlib/validator2/engine/Test_v4.java
+++ b/src/test/java/eu/dnetlib/validator2/engine/Test_v4.java
@@ -20,10 +20,10 @@ public class Test_v4 {
 
 
     private static final String[] FILES = new String[] {
-            //"src/test/resources/openaireguidelinesV4/v4_literature_all_invalid_guidelines_record.xml",
-          "src/test/resources/openaireguidelinesV4/v4_literature_all_guidelines_record.xml",
-//          "src/test/resources/openaireguidelinesV4/oai_mediarep_org_doc_2534.xml",
-//          "src/test/resources/openaireguidelinesV4/01_gv4.xml"
+//            "src/test/resources/openaireguidelinesV4/v4_literature_all_invalid_guidelines_record.xml",
+            "src/test/resources/openaireguidelinesV4/v4_literature_all_guidelines_record.xml",
+//            "src/test/resources/openaireguidelinesV4/oai_mediarep_org_doc_2534.xml",
+//            "src/test/resources/openaireguidelinesV4/01_gv4.xml"
     };
 
     public static void main(String[] args) {