Index: /trunk/src/VBox/ValidationKit/testdriver/vbox.py
===================================================================
--- /trunk/src/VBox/ValidationKit/testdriver/vbox.py	(revision 84217)
+++ /trunk/src/VBox/ValidationKit/testdriver/vbox.py	(revision 84218)
@@ -3569,12 +3569,13 @@
             sWinDir = "C:\\Windows\\System32\\";
             oTxsSession.syncExec(sWinDir + " cmd.exe",
-                                 ("cmd.exe", "/C", "dir", "${CDROM}"),
+                                 ('cmd.exe', '/C', 'dir', '${CDROM}'),
                                  fIgnoreErrors = True);
-            oTxsSession.syncExec("C:\\WINNT\\System32\\cmd.exe",
-                                 ("C:\\WINNT\\System32\\cmd.exe", "/C", "dir", "${CDROM}"),
+            oTxsSession.syncExec('C:\\WINNT\\System32\\cmd.exe',
+                                 ('C:\\WINNT\\System32\\cmd.exe', '/C', 'dir', '${CDROM}'),
                                  fIgnoreErrors = True);
 
             reporter.log('txsCdWait: Listing mount points / drives:');
-            oTxsSession.syncExec("/bin/mount", ("mount"), fIgnoreErrors = True);
+            oTxsSession.syncExec('/bin/mount', ('/bin/mount',), fIgnoreErrors = True);
+            oTxsSession.syncExec('/bin/cat', ('/bin/cat', '/etc/fstab'), fIgnoreErrors = True);
             # Should work since WinXP Pro.
             oTxsSession.syncExec(sWinDir + "wbem\\WMIC.exe",