diff --git a/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/datastoreserver/systemtests/FeatureRichDataSetImportSystemTest.java b/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/datastoreserver/systemtests/FeatureRichDataSetImportSystemTest.java
index 87e87f85eae9eeb2cd664615977ebb72ac28f97e..9536e3bd14d5b30aaff9e8ee5025c41d255d2f59 100644
--- a/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/datastoreserver/systemtests/FeatureRichDataSetImportSystemTest.java
+++ b/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/datastoreserver/systemtests/FeatureRichDataSetImportSystemTest.java
@@ -17,11 +17,15 @@
 package ch.systemsx.cisd.openbis.datastoreserver.systemtests;
 
 import java.io.File;
+import java.net.URL;
+import java.security.CodeSource;
+import java.security.ProtectionDomain;
 import java.util.LinkedList;
 import java.util.List;
 
 import org.testng.annotations.Test;
 
+import ch.systemsx.cisd.common.filesystem.AbstractCopyActivitySensor;
 import ch.systemsx.cisd.common.filesystem.FileUtilities;
 import ch.systemsx.cisd.openbis.dss.generic.shared.IEncapsulatedOpenBISService;
 import ch.systemsx.cisd.openbis.dss.generic.shared.ServiceProvider;
@@ -55,6 +59,17 @@ public class FeatureRichDataSetImportSystemTest extends SystemTestCase
         return 280;
     }
 
+    @Test
+    public void testFailForDebugReason()
+    {
+        Class cls = AbstractCopyActivitySensor.class;
+        ProtectionDomain pDomain = cls.getProtectionDomain();
+        CodeSource cSource = pDomain.getCodeSource();
+        URL loc = cSource.getLocation();
+
+        fail("The AbstractCopyActivitySensor is taken from " + loc);
+    }
+
     @Test
     public void testRichImport() throws Exception
     {