The test_sudo_commands fails when testing portal user without demo data. With this commit, a portal user is created in a setupClass. closes odoo/odoo#163319 Build-error: 55927 X-original-commit: 83c2201543d4d37b2d8e760200c5b111e1d74fa1 Signed-off-by: Xavier Morel (xmo) <xmo@odoo.com> Signed-off-by: Christophe Monniez (moc) <moc@odoo.com>