SP-39 second try to fix test

SVN: 25298

openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/task/MaterialReportingTaskTest.java

@@ -601,6 +601,7 @@ public class MaterialReportingTaskTest extends AbstractFileSystemTestCase
 
         materialReportingTask.setUp("", properties);
         materialReportingTask.execute();
+        materialReportingTask.closeDatabaseConnections();
         materialReportingTask.setUp("", properties);
         materialReportingTask.execute();