Fix one of the unittests.
Fix one of the unittests.

netarchivesuite/netarchivesuite-svngit-migration,netarchivesuite/netarchivesuite-svngit-migration,netarchivesuite/netarchivesuite-svngit-migration,netarchivesuite/netarchivesuite-svngit-migration,netarchivesuite/netarchivesuite-svngit-migration,netarchivesuite/netarchivesuite-svngit-migration