Hello
could now verify it's not the subdirectory
i performe a homdirectory-override to /home/testuser in sssd.conf,
the error is the same
Failed to import environment: Process org.freedesktop.systemd1 exited with status 1
/etc/X11/xinit/Xsession: line 88: /home/testuser/ /usr/bin/ssh-agent
/etc/X11/xinit/Xclients: No such file or directory
regards