test: Prevent bash TCO when keeping a mount point busy
test: Prevent bash TCO when keeping a mount point busy

Different versions of bash do tail call optimization in different
scenarios, and the "Currently in use" pop-up would either show the
bash process or not (depending on whether TCO was done). So let's
prevent bash from doing TCO of the "sleep" call.

martinpitt/cockpit,cockpit-project/cockpit,martinpitt/cockpit,cockpit-project/cockpit,martinpitt/cockpit,cockpit-project/cockpit,martinpitt/cockpit,martinpitt/cockpit,cockpit-project/cockpit,cockpit-project/cockpit