BibUpload: batchuploader regression test fixes

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
BibClassify: regression test import fixes

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
BibDocFile: fix test data location

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>