my_bibrecdoc.add_new_file(CFG_PREFIX+'/lib/webtest/invenio/test.jpg','Main','img_test',False,'test add new file','test','.jpg',modification_date=timestamp1)
my_new_bibdoc.add_file_new_version(CFG_PREFIX+'/lib/webtest/invenio/test.jpg',description='the new version',comment=None,docformat=None,flags=["PERFORM_HIDE_PREVIOUS"],modification_date=timestamp2)
my_bibrecdoc.add_new_file(CFG_PREFIX+'/lib/webtest/invenio/test.jpg','Main','img_test',False,'test add new file','test','.jpg',modification_date=timestamp)