[devtools] remove the remaining bw compat for old-style tests
It is just:
* dangerously untested right now
* on the path of further bw compat removal (cnxset handling)
webtest drops an apparently pointless .login call
Related to #3933480.
from cubicweb.schemas.base import in_group, CWSourceSchemaConfig
# copy __permissions__ to avoid modifying a shared dictionary
in_group.__permissions__ = in_group.__permissions__.copy()
in_group.__permissions__['read'] = ('managers',)
cw_for_source = CWSourceSchemaConfig.get_relation('cw_for_source')
cw_for_source.__permissions__ = {'read': ('managers', 'users'),
'add': ('managers',),
'delete': ('managers',)}