diff --git a/rtd_phosphonetx/sourceTest/java/ch/systemsx/cisd/openbis/etlserver/phosphonetx/ResultDataSetUploaderTest.java b/rtd_phosphonetx/sourceTest/java/ch/systemsx/cisd/openbis/etlserver/phosphonetx/ResultDataSetUploaderTest.java
index b786b17e3467d1388115c14ed293013dc9038039..8a06e1477c25d1201f3a1c9e40e195b9e774d10d 100644
--- a/rtd_phosphonetx/sourceTest/java/ch/systemsx/cisd/openbis/etlserver/phosphonetx/ResultDataSetUploaderTest.java
+++ b/rtd_phosphonetx/sourceTest/java/ch/systemsx/cisd/openbis/etlserver/phosphonetx/ResultDataSetUploaderTest.java
@@ -563,6 +563,8 @@ public class ResultDataSetUploaderTest extends AssertJUnit
                 {
                     try
                     {
+                        one(connection).isClosed();
+                        will(returnValue(false));
                         one(connection).rollback();
                         one(connection).close();
                     } catch (SQLException ex)