[pywikibot] Which username for Wikidata test ?

Hello, I created a /user-config.py/ with /generate_user_files.py/ to use Wikidata test (mylang = 'test'). But as I try to login I have this error message: pywikibot.exceptions.NoUsername: Username 'trucmuche' does not exist on wikidata:test Where trucmuche is my usual account on Wikidata. Is there a special username for Wikidata test ? What is the URL of Wikidata test ? Thanks, PS : Is there a way to search in the forum archives ? -- Jean-Baptiste Pressac Traitement et analyse de bases de données Production et diffusion de corpus numériques Centre de Recherche Bretonne et Celtique Unité mixte de service (UMS) 3554 20 rue Duquesne CS 93837 29238 Brest cedex 3 tel : +33 (0)2 98 01 68 95 fax : +33 (0)2 98 01 63 93