libcgroup Test: change error value to be checked
libcgroup Test: change error value to be checked

Chanhe the error values as per the change in APIs
Signed-off-by:	 Sudhir Kumar	 <skumar@linux.vnet.ibm.com>

git-svn-id: 312abad21b46f471ee9c8bf93af65050a03353f9@275 4f4bb910-9a46-0410-90c8-c897d4f1cd53

jrfastab/Linux-cgdcbxd,rafalmiel/libcg,jrfastab/Linux-cgdcbxd,jrfastab/Linux-cgdcbxd,rafalmiel/libcg,rafalmiel/libcg,rafalmiel/libcg,jrfastab/Linux-cgdcbxd