[test/dbapi] do not rely on the Testcase provided cnx
We plan to use the repoapi in the test. So we need the DBAPI test to explicitly
create a DBAPI connection.
# -*- coding: utf-8 -*-# copyright %(year)s %(author)s, all rights reserved.# contact %(author-web-site)s -- mailto:%(author-email)s#%(long-license)s"""%(distname)s schema"""