Plone is a content management system for Web publishing and the Zope application server. The system provides pre-configured security and roles, a set of content types, and multi-lingual support, among other features. Plone is available under both GPL and commercial licenses.
include-groupsso entire package groups can be easily included or excluded from the test run.
default-policysetting which makes it possible to exclude packages by default, unless explicitly listed in
--group=option. This can aid with debugging test isolation problems.