diff --git a/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/archiver/MultiDataSetArchiverTest.java b/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/archiver/MultiDataSetArchiverTest.java
index a065997b064aaa571298997ba3f28a3b91ea383e..115051e4943e2852f527bae9675874445ed5ba30 100644
--- a/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/archiver/MultiDataSetArchiverTest.java
+++ b/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/dss/generic/server/plugins/standard/archiver/MultiDataSetArchiverTest.java
@@ -651,7 +651,7 @@ public class MultiDataSetArchiverTest extends AbstractFileSystemTestCase
                 + "Free space: 1.07 GB, needed space: 1.00 GB\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copy archive container from '"
                 + staging.getAbsolutePath() + "/ds2-yyyyMMdd-HHmmss.tar' to '" + archive.getAbsolutePath() + "\n"
-                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 0:??:??.???\n"
+                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 00:??:??.???\n"
                 + "INFO  OPERATION.AbstractDatastorePlugin - Start sanity check on [Dataset 'ds2']\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Reading statistics for input stream: 407 bytes in 2 chunks took < 1sec.\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Writing statistics for output stream: 407 bytes in 2 chunks took < 1sec.\n"
@@ -724,7 +724,7 @@ public class MultiDataSetArchiverTest extends AbstractFileSystemTestCase
                 + "Free space: 3.00 GB, needed space: 1.00 GB\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copy archive container from '"
                 + staging.getAbsolutePath() + "/ds2-yyyyMMdd-HHmmss.tar' to '" + archive.getAbsolutePath() + "\n"
-                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 0:??:??.???\n"
+                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 00:??:??.???\n"
                 + "INFO  OPERATION.AbstractDatastorePlugin - Start sanity check on [Dataset 'ds2']\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Reading statistics for input stream: 407 bytes in 2 chunks took < 1sec.\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Writing statistics for output stream: 407 bytes in 2 chunks took < 1sec.\n"
@@ -806,7 +806,7 @@ public class MultiDataSetArchiverTest extends AbstractFileSystemTestCase
                 + "Free space: 3.00 GB, needed space: 1.00 GB\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copy archive container from '"
                 + staging.getAbsolutePath() + "/ds2-yyyyMMdd-HHmmss.tar' to '" + archive.getAbsolutePath() + "\n"
-                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 0:??:??.???\n"
+                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 00:??:??.???\n"
                 + "INFO  OPERATION.AbstractDatastorePlugin - Start sanity check on [Dataset 'ds2']\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Reading statistics for input stream: 407 bytes in 2 chunks took < 1sec.\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Writing statistics for output stream: 407 bytes in 2 chunks took < 1sec.\n"
@@ -1005,7 +1005,7 @@ public class MultiDataSetArchiverTest extends AbstractFileSystemTestCase
                 + "Free space: 20.00 GB, needed space: 1.00 GB\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copy archive container from '"
                 + staging.getAbsolutePath() + "/ds1-yyyyMMdd-HHmmss.tar' to '" + archive.getAbsolutePath() + "\n"
-                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 0:??:??.???\n"
+                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 00:??:??.???\n"
                 + "INFO  OPERATION.AbstractDatastorePlugin - Start sanity check on [Dataset 'ds1']\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Reading statistics for input stream: 397 bytes in 2 chunks took < 1sec.\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Writing statistics for output stream: 397 bytes in 2 chunks took < 1sec.\n"
@@ -1129,7 +1129,7 @@ public class MultiDataSetArchiverTest extends AbstractFileSystemTestCase
                 + "Free space: 35.00 GB, needed space: 1.00 GB\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copy archive container from '"
                 + staging.getAbsolutePath() + "/ds1-yyyyMMdd-HHmmss.tar' to '" + archive.getAbsolutePath() + "\n"
-                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 0:??:??.???\n"
+                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 00:??:??.???\n"
                 + "INFO  OPERATION.AbstractDatastorePlugin - Start sanity check on [Dataset 'ds1', Dataset 'ds2']\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Reading statistics for input stream: 804 bytes in 4 chunks took < 1sec.\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Writing statistics for output stream: 804 bytes in 4 chunks took < 1sec.\n"
@@ -1207,7 +1207,7 @@ public class MultiDataSetArchiverTest extends AbstractFileSystemTestCase
                 + "Free space: 35.00 GB, needed space: 1.00 GB\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copy archive container from '"
                 + staging.getAbsolutePath() + "/ds1-yyyyMMdd-HHmmss.tar' to '" + archive.getAbsolutePath() + "\n"
-                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 0:??:??.???\n"
+                + "INFO  OPERATION.MultiDataSetFileOperationsManager - Copying archive container took 00:??:??.???\n"
                 + "INFO  OPERATION.AbstractDatastorePlugin - Start sanity check on [Dataset 'ds1']\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Reading statistics for input stream: 397 bytes in 2 chunks took < 1sec.\n"
                 + "INFO  OPERATION.MultiDataSetFileOperationsManager - Writing statistics for output stream: 397 bytes in 2 chunks took < 1sec.\n"