diff --git a/oaipmh-core/src/test/java/info/textgrid/middleware/test/online/OaipmhUtilitiesOnline.java b/oaipmh-core/src/test/java/info/textgrid/middleware/test/online/OaipmhUtilitiesOnline.java
index e5b10650efebcaa68ce48bbaa0259b0776ab2cae..80f25464dfbdde006265ae7fdf09fea3da14bcfe 100644
--- a/oaipmh-core/src/test/java/info/textgrid/middleware/test/online/OaipmhUtilitiesOnline.java
+++ b/oaipmh-core/src/test/java/info/textgrid/middleware/test/online/OaipmhUtilitiesOnline.java
@@ -24,6 +24,7 @@ import org.apache.cxf.jaxrs.client.WebClient;
 import org.apache.cxf.transport.http.HTTPConduit;
 import org.apache.cxf.transports.http.configuration.HTTPClientPolicy;
 import org.apache.http.HttpStatus;
+import info.textgrid.middleware.OaipmhConstants;
 import info.textgrid.middleware.OaipmhProducer;
 import info.textgrid.middleware.OaipmhUtilities;
 import info.textgrid.middleware.test.online.dh.TestDHOaipmhOnline;
@@ -334,6 +335,17 @@ public class OaipmhUtilitiesOnline {
       examineTGHeaderIDs(responseString, theMetadataPrefix);
     }
 
+    // Test if the header dates and record (modification) dates are equal.
+    if (theVerb.equals(VERB_LIST_RECORDS)
+        && theMetadataPrefix.equals(OaipmhConstants.METADATA_IDIOM_PREFIX)) {
+      try {
+        examineTGModificationDates(responseString);
+      } catch (ParseException | DatatypeConfigurationException e) {
+        System.out.println(responseString);
+        throw new IOException(e);
+      }
+    }
+
     // Test general metadata content (if verb is listRecords!), must go conform with the metadata
     // prefix setting.
     if (theVerb.equals(VERB_LIST_RECORDS)) {
diff --git a/oaipmh-core/src/test/java/info/textgrid/middleware/test/online/tg/TestTGGetRecordOnline.java b/oaipmh-core/src/test/java/info/textgrid/middleware/test/online/tg/TestTGGetRecordOnline.java
index 3e24e6236896494118494786a8a3fa95e84c380d..c6d20d6f9bb4ecc5555499d4368f4b50cb8a9c3e 100644
--- a/oaipmh-core/src/test/java/info/textgrid/middleware/test/online/tg/TestTGGetRecordOnline.java
+++ b/oaipmh-core/src/test/java/info/textgrid/middleware/test/online/tg/TestTGGetRecordOnline.java
@@ -38,7 +38,7 @@ import info.textgrid.middleware.test.online.OaipmhUtilitiesOnline;
  * @version 2022-09-23
  * @since 2022-09-08
  */
-// @Ignore
+@Ignore
 public class TestTGGetRecordOnline {
 
   // **