Adapted the "MARC output" test case to fit the new demo book record metadata featuring new ISBN fields.
Adapted the "MARC output" test case to fit the new demo book record
metadata featuring new ISBN fields.

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