Fix challenge response test
Fix challenge response test

jh23453/privacyidea,privacyidea/privacyidea,jh23453/privacyidea,wheldom01/privacyidea,privacyidea/privacyidea,wheldom01/privacyidea,privacyidea/privacyidea,jh23453/privacyidea,jh23453/privacyidea,privacyidea/privacyidea,wheldom01/privacyidea,privacyidea/privacyidea,wheldom01/privacyidea,jh23453/privacyidea,wheldom01/privacyidea,privacyidea/privacyidea,jh23453/privacyidea,wheldom01/privacyidea