mtserra
it could be worth searching through this whole thread as there are many Information already given.
If you passed Feast, the next step will be group exercices, planning and communication tasks. If you pass the first day you are invited for the interview one or two days later.
However, If you do the Tests for EC, you will get a briefing package together with your invitation to the Next Stage where the tasks are described in general.
BRGDS