use new osgi test utils

git-svn-id: http://svn.terracotta.org/svn/ehcache@7989 b9324663-ca0f-0410-8574-be9b3887307d
merge 7989 from trunk/ehcache-os 

git-svn-id: http://svn.terracotta.org/svn/ehcache@7990 b9324663-ca0f-0410-8574-be9b3887307d
merge 7989 from trunk/ehcache-os 

git-svn-id: http://svn.terracotta.org/svn/ehcache@7991 b9324663-ca0f-0410-8574-be9b3887307d
removed unintenteded merge

git-svn-id: http://svn.terracotta.org/svn/ehcache@7992 b9324663-ca0f-0410-8574-be9b3887307d
not needed

git-svn-id: http://svn.terracotta.org/svn/ehcache@7993 b9324663-ca0f-0410-8574-be9b3887307d