[tests] Move 'anonymous_allowed' property from CubicWebServerTC to CubicWebTC
The effective set of the property on the config is now done later that before,
ie at the end of CubicWebTC.init_config instead of before.
It is believed not to have an impact on the test suites that uses
`anonymous_allowed`.
Related to #4002134
action box
Area visible in the upper left column. You have a list of available actions on the entity. The most frequently used entry is `modify`.
object
All element created in the application
Example: project, ticket, user, ...
relation editing module
HTML widget that let you define new relations amongst objects.
relation
It's a kind of 'smart' link between 2 objets of the application. It has a specific sense that determine dynamic behaviour and add a new logic of the content.