testOpenDefault: Rename loop variable
testOpenDefault: Rename loop variable

We have inclination to calling our loop variables i, j, k, not u.

Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>

VenkatDatta/libvirt,eskultety/libvirt,datto/libvirt,olafhering/libvirt,jfehlig/libvirt,datto/libvirt,fabianfreyer/libvirt,eskultety/libvirt,andreabolognani/libvirt,taget/libvirt,fabianfreyer/libvirt,libvirt/libvirt,taget/libvirt,crobinso/libvirt,zippy2/libvirt,datto/libvirt,jfehlig/libvirt,libvirt/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,nertpinx/libvirt,jfehlig/libvirt,crobinso/libvirt,taget/libvirt,nertpinx/libvirt,andreabolognani/libvirt,olafhering/libvirt,eskultety/libvirt,andreabolognani/libvirt,libvirt/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,datto/libvirt,zippy2/libvirt,VenkatDatta/libvirt,eskultety/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,nertpinx/libvirt,crobinso/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,jardasgit/libvirt,zippy2/libvirt,libvirt/libvirt,crobinso/libvirt,eskultety/libvirt,taget/libvirt,nertpinx/libvirt,jardasgit/libvirt,datto/libvirt,jfehlig/libvirt,zippy2/libvirt,olafhering/libvirt,taget/libvirt,jardasgit/libvirt,olafhering/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt