MNK-5999: Move FailoverDuringPassiveSyncTest to toolkit-ee-system-tests to make use of offheap.

git-svn-id: http://svn.terracotta.org/svn/ehcache@8679 b9324663-ca0f-0410-8574-be9b3887307d
MNK-5999: Merged r8679


git-svn-id: http://svn.terracotta.org/svn/ehcache@8680 b9324663-ca0f-0410-8574-be9b3887307d
MNK-5999: Merged r8679


git-svn-id: http://svn.terracotta.org/svn/ehcache@8681 b9324663-ca0f-0410-8574-be9b3887307d