[testlib] rework request building in init_authentication
The previous code was building a full authenticated request and tried to undo
the authentication afterward. The new code just create a bare Request with no
authenticated session linked yet.
This is much closer of what the actual authentication process does.
\.svn
^build$
^dist$
\.pyc$
\.pyo$
\.bak$
\.old$
\~$
\#.*?\#$
\.swp$
^doc/book/en/apidoc$
\.old$
syntax: regexp
.*/data/database/.*\.sqlite
.*/data/database/.*\.config
.*/data/database/tmpdb.*
.*/data/ldapdb/.*
^doc/html/
^doc/doctrees/
^doc/book/en/devweb/js_api/