tests: fix typo in mock filename added to EXTRA_DIST
tests: fix typo in mock filename added to EXTRA_DIST

Signed-off-by: Daniel P. Berrangé <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>

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