Index: openacs-4/packages/file-storage/tcl/test/tclwebtest-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/file-storage/tcl/test/tclwebtest-procs.tcl,v
diff -u -r1.5.2.1 -r1.5.2.2
--- openacs-4/packages/file-storage/tcl/test/tclwebtest-procs.tcl	12 Sep 2015 11:06:18 -0000	1.5.2.1
+++ openacs-4/packages/file-storage/tcl/test/tclwebtest-procs.tcl	29 Apr 2016 06:57:39 -0000	1.5.2.2
@@ -26,7 +26,7 @@
 ad_proc file_storage:::twt::delete_file { file_name }  {
 
     # Delete a file name
-    exec rm -rf $file_name
+    file delete -force -- $file_name
 }
 
 ad_proc file_storage::twt::create_new_folder { folder_name folder_description }  {