Thunderheart has just posted the following :

Here is a quick look at the changes:

The current version of Test Center:


Will be taken offline Tuesday, March 20th.
Is expected to be available for people to play 2-3 weeks before a new chapter is published.
The current version of Test Center is not going to be wiped/erased.
Blue Frogs will sometimes be available on this Test Center.
The new version of Test Center:


A brand new version of Test Center will be available.
The new Test Center will be a "clean" version with no houses, items, etc.
Blue Frogs will never be available on this Test Center.

Click here for more information (http://forums.station.sony.com/swg/posts/list.m?topic_id=277372).

DMUK