[tests] Don't import QUnitTestCase into tests' global namespace Unittest's test loader will try to execute QUnitTestCase's test_javascripts method. However this class is intended to be subclassed, not to be executed directly. This change has the following consequences: * slightly faster test execution * almost all rtags warnings are gone

Add some entities
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As manager, you can access to entity creation forms by using the `site management`_ page.

.. _`site management`: ../manage

As regular user, the index page or the action box may propose some links to create entities according to the context.