maint: ignore recently-added test
maint: ignore recently-added test

* .gitignore: Ignore metadatatest.

Signed-off-by: Eric Blake <a9da18479c871fe903d9590822cfe2629c6a4d11@redhat.com>

taget/libvirt,VenkatDatta/libvirt,cbosdo/libvirt,olafhering/libvirt,cbosdo/libvirt,olafhering/libvirt,elmarco/libvirt,elmarco/libvirt,taget/libvirt,rlaager/libvirt,andreabolognani/libvirt,jardasgit/libvirt,nertpinx/libvirt,eskultety/libvirt,fabianfreyer/libvirt,agx/libvirt,jardasgit/libvirt,eskultety/libvirt,crobinso/libvirt,taget/libvirt,andreabolognani/libvirt,eskultety/libvirt,agx/libvirt,elmarco/libvirt,olafhering/libvirt,jardasgit/libvirt,datto/libvirt,zippy2/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,andreabolognani/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,agx/libvirt,jardasgit/libvirt,taget/libvirt,shugaoye/libvirt,rlaager/libvirt,zippy2/libvirt,agx/libvirt,elmarco/libvirt,nertpinx/libvirt,nertpinx/libvirt,andreabolognani/libvirt,cbosdo/libvirt,datto/libvirt,jardasgit/libvirt,eskultety/libvirt,cbosdo/libvirt,rlaager/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,zhlcindy/libvirt-1.1.4-maintain,eskultety/libvirt,zhlcindy/libvirt-1.1.4-maintain,rlaager/libvirt,nertpinx/libvirt,datto/libvirt,shugaoye/libvirt,crobinso/libvirt,VenkatDatta/libvirt,datto/libvirt,VenkatDatta/libvirt,cbosdo/libvirt,libvirt/libvirt,shugaoye/libvirt,datto/libvirt,zhlcindy/libvirt-1.1.4-maintain,shugaoye/libvirt,crobinso/libvirt,elmarco/libvirt,crobinso/libvirt,agx/libvirt,libvirt/libvirt,zhlcindy/libvirt-1.1.4-maintain,fabianfreyer/libvirt,andreabolognani/libvirt,taget/libvirt,zippy2/libvirt,jfehlig/libvirt,libvirt/libvirt,shugaoye/libvirt,olafhering/libvirt,zippy2/libvirt,jfehlig/libvirt,rlaager/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,zhlcindy/libvirt-1.1.4-maintain,libvirt/libvirt