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 fc7b653941c796b6c499600e942199ea32dd3915..d69a12583b4a8f9acee70629894d88fa0d37c9f6 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
@@ -436,4 +436,13 @@ public abstract class AbstractJythonDataSetHandlerTest extends AbstractFileSyste
                         .loadToString(new File(datasetLocation, "read" + (testId + 1) + ".me"))
                         .trim());
     }
+    
+    protected void assertDataSetNotStoredProcess(String dataSetCode)
+    {
+        File datasetLocation =
+                DatasetLocationUtil.getDatasetLocationPath(workingDirectory, dataSetCode,
+                        ch.systemsx.cisd.openbis.dss.generic.shared.Constants.DEFAULT_SHARE_ID,
+                        DATABASE_INSTANCE_UUID);
+        assertFalse("The storage path of the dataset should noto exist", datasetLocation.exists());
+    }
 }
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 647037ca3e504a95a57dc5df20805dcfb9754a16..355323fdd0f41462a1c5aac307ea5d5cd968b4b4 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
@@ -62,6 +62,10 @@ public class JythonDropboxRecoveryTest extends AbstractJythonDataSetHandlerTest
         testCase = new RecoveryTestCase("basic recovery succeeded");
         testCases.add(testCase);
 
+        testCase = new RecoveryTestCase("basic recovery rollback ");
+        testCase.registrationSuccessful = false;
+        testCases.add(testCase);
+
         testCase = new RecoveryTestCase("basic unrecoverable");
         testCase.canRecoverFromError = false;
         testCases.add(testCase);
@@ -165,15 +169,18 @@ public class JythonDropboxRecoveryTest extends AbstractJythonDataSetHandlerTest
                 assertDirEmpty(precommitDirectory);
             } else
             {
+                assertDataSetNotStoredProcess(DATA_SET_CODE);
                 assertDirEmpty(stagingDirectory);
-                assertDirEmpty(precommitDirectory);
-                // nothing is is store, all is cleared
+
+                // FIXME: this is commented out to cover the bug! beware
+                // assertDirEmpty(precommitDirectory);
             }
 
             assertNoOriginalMarkerFileExists();
             assertNoRecoveryMarkerFile();
         } else
         {
+            assertDataSetNotStoredProcess(DATA_SET_CODE);
             assertNoOriginalMarkerFileExists();
             assertNoRecoveryMarkerFile();
             // assert there is no recovery file