TESTCASE=$1
-virl_std_client -u $VIRL_USER -p $VIRL_PASSWORD simengine-stop --session-id $TESTCASE
-sudo rm -fr ${NFS_SCRATCH_SERVERDIR}/${TESTCASE}
+if [ "x${TESTCASE}" != "x" ]
+then
+ virl_std_client -u $VIRL_USER -p $VIRL_PASSWORD simengine-stop --session-id $TESTCASE
+ sudo rm -fr ${NFS_SCRATCH_SERVERDIR}/${TESTCASE}
+fi