Namespace reorganization in RB tests

Moved everything to corresponding module
Fixed issue with room ownership check

Group membership was not being properly verified
Forgotten print statement
Some fixes/changes to make test data work

Broken due to changes in code
Silenced exception when assets registered twice

There should be a better solution, though...
Fixed bug in day/month order
Fixed blockings-related stuff

Now anyone can perform "blockings".
Make RoomAttribute.location non-nullable
Got rid of `getEquipmentByName`

Other environment-related fixes.