adding disabled test for eng-680

git-svn-id: http://svn.terracotta.org/svn/ehcache@8469 b9324663-ca0f-0410-8574-be9b3887307d
ENG-578

git-svn-id: http://svn.terracotta.org/svn/ehcache@8470 b9324663-ca0f-0410-8574-be9b3887307d