fix unit tests by not using the new create_eid implementation with sqlite
Actually, fix a couple of issues with a previous attempt:
* do not use double underscores as method patching will fail with these
* old method must always be used with sqlite regardless of the no_sqlite_wrap attribute
from os.path import join
from cubicweb.toolsutils import create_dir
option_renamed('pyro-application-id', 'pyro-instance-id')
create_dir(join(config.appdatahome, 'backup'))