Issue #46: Replace the deluser comand to userdel to cover openSuse test from CI

test/create_users.sh

@@ -19,7 +19,13 @@ do
 
     faketime -f "${ft_date}"  ./login.exp $ft_user &>/dev/null
 
-    deluser --remove-home $ft_user >/dev/null
+    if grep -q "openSUSE" /etc/os-release
+    then
+        userdel -r $ft_user >/dev/null
+    else
+        deluser --remove-home $ft_user >/dev/null
+    fi
+
     if [ $? -ne 0 ]
     then
             echo "Failed to delete $ft_user!"