Adding group Db to federation tests and ldap tests
Add group DB to Test_UrlGenerator
Adding group DB to trashbin and versions tests
Adding group DB to Test_Util_CheckServer for pg
* fixes#20425
* this removes the argument trashbin size from the expire job - it is now
calculated in the expire job
* the queue now detects properly that the job is already queue and doesn't
add it again
Thomas Müller
Morris Jobke
Joas Schilling