The test test_tz_legacy will fail if the taget does not exist on the operating system. This is breaking in some versions of the tz-data package. Don't make this test fail if the target is missing. closes odoo/odoo#161341 X-original-commit: 276eb0192fdddb736453857c18bf9f0cccecb4a3 Signed-off-by: Christophe Monniez (moc) <moc@odoo.com> Signed-off-by: Xavier Dollé (xdo) <xdo@odoo.com>