diff --git a/datastore_server/sourceTest/java/ch/systemsx/cisd/etlserver/registrator/AbstractJythonDataSetHandlerTest.java b/datastore_server/sourceTest/java/ch/systemsx/cisd/etlserver/registrator/AbstractJythonDataSetHandlerTest.java
index 4a9d1709c58046431bf68fb3121dc7b433e7cf9a..610ce26c040868a89a68a9fa40beb66abfb949af 100644
--- a/datastore_server/sourceTest/java/ch/systemsx/cisd/etlserver/registrator/AbstractJythonDataSetHandlerTest.java
+++ b/datastore_server/sourceTest/java/ch/systemsx/cisd/etlserver/registrator/AbstractJythonDataSetHandlerTest.java
@@ -293,8 +293,7 @@ public abstract class AbstractJythonDataSetHandlerTest extends AbstractFileSyste
     }
 
     /**
-     * adds an extension to the Jython Path, so that all libraries in it will be visible to the
-     * Jython environment.
+     * adds an extension to the Jython Path, so that all libraries in it will be visible to the Jython environment.
      */
     protected void extendJythonLibPath(String pathExtension)
     {
@@ -545,7 +544,7 @@ public abstract class AbstractJythonDataSetHandlerTest extends AbstractFileSyste
     }
 
     private static final String[] registrationDirectories =
-        { "1", "pre-commit", "staging", "pre-staging" };
+    { "1", "pre-commit", "staging", "pre-staging" };
 
     /**
      * Simulate the file system becoming unavailable
diff --git a/datastore_server/sourceTest/java/ch/systemsx/cisd/etlserver/registrator/JythonDropboxRecoveryTest.java b/datastore_server/sourceTest/java/ch/systemsx/cisd/etlserver/registrator/JythonDropboxRecoveryTest.java
index fe843f705fe4634214da3d323a0e879ac65dab1b..3d6e5e165dc6c917d34ef95452016952fbfd61db 100644
--- a/datastore_server/sourceTest/java/ch/systemsx/cisd/etlserver/registrator/JythonDropboxRecoveryTest.java
+++ b/datastore_server/sourceTest/java/ch/systemsx/cisd/etlserver/registrator/JythonDropboxRecoveryTest.java
@@ -76,6 +76,13 @@ public class JythonDropboxRecoveryTest extends AbstractJythonDataSetHandlerTest
     public Object[][] recoveryTestCasesArray()
     {
         LinkedList<RecoveryTestCase> testCases = recoveryTestCases();
+        LinkedList<RecoveryTestCase> testCasesWithJython27 = recoveryTestCases();
+        for (RecoveryTestCase recoveryTestCase : testCasesWithJython27)
+        {
+            recoveryTestCase.overrideProperties.put("jython-version", "2.7");
+            recoveryTestCase.title += " @ jython 2.7";
+        }
+        testCases.addAll(testCasesWithJython27);
 
         // result value
         Object[][] resultsList = new Object[testCases.size()][];