test: Also reload libvirtd on debian-testing
test: Also reload libvirtd on debian-testing

Seems that the related bug got into debian as well.

Closes #13829
moraleslazaro/cockpit,cockpit-project/cockpit,cockpituous/cockpit,cockpit-project/cockpit,deryni/cockpit,deryni/cockpit,mvollmer/cockpit,deryni/cockpit,martinpitt/cockpit,cockpituous/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,deryni/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,deryni/cockpit,garrett/cockpit,cockpituous/cockpit,mvollmer/cockpit,mvollmer/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,cockpit-project/cockpit,garrett/cockpit,garrett/cockpit,garrett/cockpit,mvollmer/cockpit,garrett/cockpit,cockpit-project/cockpit,mvollmer/cockpit,deryni/cockpit,cockpituous/cockpit,martinpitt/cockpit,deryni/cockpit,martinpitt/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit