test: Fix fchosttest resource leak
test: Fix fchosttest resource leak

Commit id '666bee3' made fabric_name optional; however, if fabric name
was present, then a leak would occur.

Signed-off-by: John Ferlan <87558058f6f829e5ec976c8ef960720af4ff9c7d@redhat.com>

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