Tried to Run system testing ...
Then i add this fix from the comment above
/etc/checkbox.d/checkbox.ini
[checkbox/plugins] blacklist = backend_manager
... and the system testing works fine.
Tried to Run system testing ...
Then i add this fix from the comment above
/etc/checkbox. d/checkbox. ini
[checkbox/plugins]
blacklist = backend_manager
... and the system testing works fine.