software/erp5/test: tolerate errors in TestPublishedURLIsReachableMixin
Sometimes during the first request to zope mariadb is not started yet and we have an Site Error. In this case retry several times until we have a sucessful response.
Sometimes during the first request to zope mariadb is not started yet and we have an Site Error. In this case retry several times until we have a sucessful response.
This will create a new commit in order to revert the existing changes.