BibFormat: fix regression test
BibFormat: fix regression test

* Updated regression test after URL change in
  commit c6777121143b6c8ca10f2d3871e2fd1638857ba4

tiborsimko/invenio-formatter,tiborsimko/invenio-formatter,inveniosoftware/invenio-formatter,inveniosoftware/invenio-formatter,inveniosoftware/invenio-formatter,tiborsimko/invenio-formatter