test: Don't delete the entire test/run directory
test: Don't delete the entire test/run directory

It may be mounted from elsewhere, so respect the mountpoint

Closes #3024
Reviewed-by: Peter <a316049dd34607c62d4611d63ab22a6454add223@redhat.com>

petervo/cockpit,michalskrivanek/cockpit,sgallagher/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,SotolitoLabs/cockpit,mvollmer/cockpit,Scribery/cockpit,moraleslazaro/cockpit,Scribery/cockpit,stefwalter/cockpit,cockpit-project/cockpit,Scribery/cockpit,SotolitoLabs/cockpit,cockpituous/cockpit,sgallagher/cockpit,andreasn/cockpit,garrett/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,andreasn/cockpit,jscotka/cockpit,xhad/cockpit,sgallagher/cockpit,mareklibra/cockpit,sgallagher/cockpit,mvollmer/cockpit,vanloswang/cockpit,petervo/cockpit,Scribery/cockpit,larskarlitski/cockpit,Scribery/cockpit,moraleslazaro/cockpit,haiyangd/cockpit_view,andreasn/cockpit,matobet/cockpit,dperpeet/cockpit,mareklibra/cockpit,dperpeet/cockpit,dperpeet/cockpit,arilivigni/cockpit,sgallagher/cockpit,FireDrunk/cockpit,stefwalter/cockpit,mareklibra/cockpit,vanloswang/cockpit,vanloswang/cockpit,mareklibra/cockpit,Scribery/cockpit,martinpitt/cockpit,FireDrunk/cockpit,deryni/cockpit,cockpit-project/cockpit,garrett/cockpit,larsu/cockpit,mvollmer/cockpit,xhad/cockpit,larskarlitski/cockpit,sgallagher/cockpit,jscotka/cockpit,FireDrunk/cockpit,andreasn/cockpit,mareklibra/cockpit,larskarlitski/cockpit,arilivigni/cockpit,deryni/cockpit,larsu/cockpit,haiyangd/cockpit_view,harishanand95/cockpit,garrett/cockpit,mareklibra/cockpit,arilivigni/cockpit,xhad/cockpit,matobet/cockpit,petervo/cockpit,arilivigni/cockpit,vanloswang/cockpit,deryni/cockpit,haiyangd/cockpit_view,cockpituous/cockpit,petervo/cockpit,FireDrunk/cockpit,deryni/cockpit,larskarlitski/cockpit,martinpitt/cockpit,michalskrivanek/cockpit,xhad/cockpit,harishanand95/cockpit,SotolitoLabs/cockpit,jscotka/cockpit,cockpit-project/cockpit,larsu/cockpit,matobet/cockpit,michalskrivanek/cockpit,michalskrivanek/cockpit,SotolitoLabs/cockpit,cockpituous/cockpit,michalskrivanek/cockpit,mvollmer/cockpit,michalskrivanek/cockpit,arilivigni/cockpit,cockpituous/cockpit,matobet/cockpit,garrett/cockpit,jscotka/cockpit,vanloswang/cockpit,deryni/cockpit,xhad/cockpit,stefwalter/cockpit,vanloswang/cockpit,larsu/cockpit,larsu/cockpit,cockpit-project/cockpit,cockpit-project/cockpit,FireDrunk/cockpit,dperpeet/cockpit,harishanand95/cockpit,haiyangd/cockpit_view,vanloswang/cockpit,arilivigni/cockpit,SotolitoLabs/cockpit,martinpitt/cockpit,dperpeet/cockpit,petervo/cockpit,stefwalter/cockpit,sgallagher/cockpit,jscotka/cockpit,cockpituous/cockpit,matobet/cockpit,xhad/cockpit,deryni/cockpit,larskarlitski/cockpit,harishanand95/cockpit,deryni/cockpit,larskarlitski/cockpit,jscotka/cockpit,martinpitt/cockpit,andreasn/cockpit,garrett/cockpit,michalskrivanek/cockpit,matobet/cockpit,haiyangd/cockpit_view,stefwalter/cockpit,Scribery/cockpit,larsu/cockpit,dperpeet/cockpit,arilivigni/cockpit,larskarlitski/cockpit,SotolitoLabs/cockpit,andreasn/cockpit,harishanand95/cockpit,cockpituous/cockpit,petervo/cockpit,stefwalter/cockpit,harishanand95/cockpit,dperpeet/cockpit,harishanand95/cockpit,SotolitoLabs/cockpit,petervo/cockpit,mareklibra/cockpit,xhad/cockpit,andreasn/cockpit,stefwalter/cockpit